Slow Cooker Roasted Vegetables Recipe (2024)

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7 hours hrs 15 minutes mins

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These Slow Cooker Roasted Vegetables are made with red potatoes, carrots, zucchini and onion tossed in olive oil and seasoned to perfection. Let your slow cooker do the work for you and you will have the best roasted vegetables by dinnertime!

Slow Cooker Roasted Vegetables Recipe (1)

I love cooking delicious dinners for my family, but by the time I’ve made the main dish, the side dish is usually an afterthought.

I love roasting vegetables in the oven because it is quick, easy and they come out perfectly tender.

I knew I wasn’t going to have a lot of time later in the day to make dinner, so I whipped these Slow Cooker Roasted Vegetables up in a few minutes, let my slow cooker do the work for me and we had a tasty side dish ready by dinnertime!

How to Roast Vegetables in the Oven:

If you prefer to roast your vegetables in the oven or didn’t put these veggies in your slow cooker early enough in the day to be ready by dinner time you CAN make cook them in the oven.

Prepare the vegetables according to the recipe instructions, then spread in an even layer on a baking sheet sprayed with nonstick cooking spray rather than placing them in the slow cooker.

Cook at 425 degrees F. for 25-30 minutes, or until vegetables are tender and start to brown.

How to Roast Vegetables in the Slow Cooker:

These Slow Cooker Roasted Vegetables might be my new favorite side dish because they are so easy to make.

Slow Cooker Roasted Vegetables Recipe (2)

Start by cutting your vegetables into bite-sized pieces. If you dice your vegetables, they will be cut too small.

You also want to be sure to cut your zucchini into larger pieces as it will cook the fastest.

Slow Cooker Roasted Vegetables Recipe (3)

Pour all of the cut vegetables into a gallon-sized resealable bag, pour olive oil over the vegetables and sprinkle with Italian seasoning.

Seal the bag then shake to coat all the vegetables in oil and seasoning.

Pour the bag of seasoned vegetables into a slow cooker sprayed with nonstick cooking spray.

Slow Cooker Roasted Vegetables Recipe (4)

Cover the slow cooker with the lid then cook on low for 5-7 hours or high for 3-4 hours.

Slow Cooker Roasted Vegetables Recipe (5)

Sprinkle grated Parmesan on top of vegetables after cooking.

Serve immediately to avoid vegetables getting cold or soggy (I’m looking at you, zucchini).

Slow Cooker Roasted Vegetables Recipe (6)

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What to serve with roasted vegetables:

We love serving these roasted veggies with our 7-Up Grilled Chicken, Maple Dijon Glazed Chicken or our Easy Marinated Pork Chops.

Looking for more side dishes? Here are 60 of our favorite Christmas Dinner Sides to eat with Beef Tenderloin!

The best roasted vegetable recipes:

  • Roasted Balsamic Mushrooms and Vegetables
  • Roasted Balsamic Carrots
  • Parmesan Harvest Veggie Bake
  • Italian Roasted Vegetable Medley
  • Roasted Parmesan Lemon Asparagus

Slow Cooker Roasted Vegetables Recipe (7)

Serves: 8

Slow Cooker Roasted Vegetables Recipe

These Slow Cooker Roasted Vegetables are made with red potatoes, carrots, zucchini and onion tossed in olive oil and seasoned to perfection.

Prep Time 15 minutes mins

Cook Time 7 hours hrs

Total Time 7 hours hrs 15 minutes mins

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Ingredients

  • 6 baby red potatoes (cut into bite-sized pieces)
  • 2 carrots (peeled and sliced)
  • 1 onion (cut into bite-sized pieces)
  • 2 zucchini (cut into bite-sized pieces)
  • 1 Tablespoon olive oil
  • 1 (0.7 ounce) package dry Italian dressing mix
  • ½ cup grated Parmesan cheese

Instructions

  • Wash, dry and cut vegetables.

  • Place vegetables in a gallon-sized resealable bag.

  • Pour olive oil on top of vegetables.

  • Sprinkle package dry Italian seasoning over the vegetables.

  • Seal bag closed and shake to coat vegetables evenly in oil and seasoning.

  • Spray slow cooker with nonstick cooking spray and pour seasoned vegetables inside.

  • Cook on low for 5-7 hours or high for 3-4 hours.

  • Sprinkle Parmesan cheese on top before serving.

Notes

We love serving these roasted veggies with our7-Up Grilled Chicken,Maple Dijon Glazed Chickenor ourEasy Marinated Pork Chops.

This crock pot recipe is one of my favorite slow cooker recipes because it is an easy recipe and has a bunch of veggies. You can serve up a large bowl, or a small bowl and you will still be sure to have an array of vegetables on your plate. It is hard to find simple recipes that include root veggies, but this recipe is a great way to make that happen.

You can also mix and match your favorite vegetables, and replace them for the ones in this recipe. Some might want to add red bell pepper, brussels sprouts, butternut squash, or even sweet potatoes. Any of these options are a great way to create your favorite vegetable recipe into a mixture of vegetables.Another way to personalize this recipe is to add fresh herbs. During the warmer months I like to include fresh rosemary from my faden.

Nutrition

Calories: 180 kcal · Carbohydrates: 31 g · Protein: 6 g · Fat: 4 g · Saturated Fat: 1 g · Polyunsaturated Fat: 1 g · Monounsaturated Fat: 2 g · Cholesterol: 6 mg · Sodium: 399 mg · Potassium: 931 mg · Fiber: 4 g · Sugar: 5 g · Vitamin A: 2711 IU · Vitamin C: 24 mg · Calcium: 101 mg · Iron: 1 mg

Equipment

  • Ziploc Bag

  • Slow Cooker

  • Non-stick Cooking Spray

Recipe Details

Course: Side Dish

Cuisine: American

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  1. Judy says:

    I will give this a try. Thanks and have a great evening.

  2. valerie says:

    Have you ever used frozen veggies? And have you ever used sweet potatoes? Wondering if those might work...

  3. Mrs. Amanda Spear says:

    Looks Delicious!!

  4. Camille says:

    I have used frozen veggies for other recipes . . . they definitely don't need to cook as long because they tend to get mushy. And sweet potatoes totally work! They are so good! :)

  5. cindy orozco says:

    Since I dont have a Slow~Cooker at the moment, Can I do these in the oven? If so what temp & how long??

  6. foss says:

    Oven is best! 425 for 50 minutes. Make sure there is extra virgin olive oil. The tops should get a little charred giving it an even better taste

  7. Beth Hammer says:

    Sweet potatoes cook pretty rapidly compared to white potatoes. If you use both, cut the sweet potatoes in larger pieces so they don't mash all up.

  8. Beth Hammer says:

    In the oven I usually use a baking sheet, cover the sheet with parchment paper, add vegetables then cook. Spreading them out makes them all cook more evenly.

  9. Leslie says:

    do these veggies heat up well in the crock pot?

  10. Cyd says:

    This recipe is cooked in the slow cooker (or a crock pot). I'm not sure if you are referring to when you can reheat them. We reheat any leftovers in the microwave.

  11. Bridgette Barnett says:

    Super delicious. Made them for my family and my husband said this goes beyond restaurant quality- it's like personal chef quality! This one's a keeper.

  12. Bridgette Barnett says:

    Super delicious. Made them for my family and my husband said this goes beyond restaurant quality- it's like personal chef quality! This one's a keeper. Also did them in instapot for 7 min

  13. Cyd says:

    Yah! Thanks Bridgette for letting us know. We are so glad you liked the veggies! Have a terrific week.

  14. Jen says:

    I'm going to make this as my Christmas dinner side dish and wondered what size slow cooker you use to make it. I'm going to purchase a new slow cooker, so should I buy a 4 quart or 6 quart size for this recipe?

  15. Momma Cyd says:

    Go with the 6 quart.

  16. Denise says:

    How many people does this recipe feed?

  17. Momma Cyd says:

    If you scroll down to the recipe card it says it will serve 8 people.

Slow Cooker Roasted Vegetables Recipe (8)

About The Author:

Camille Beckstrand

Camille Beckstrand is married to Jared and they have 4 kids. She is a certified life coach that loves helping women become "unstuck" in their lives and is the host of the podcast "Moms On The Rise". She also loves a good true crime podcast, a big plate of cheesy loaded nachos, and going on adventures with her family.

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Slow Cooker Roasted Vegetables Recipe (2024)

FAQs

Do vegetables go on top or bottom of roast in slow cooker? ›

Slow cooker recipes have (obviously) long cook times, and it's the meat—not the carrots—that benefit from it. By placing the protein at the bottom (closest to the heating element), and vegetables at the top, you can keep your plant parts a little more toothsome, while ensuring your meat is fall-apart tender.

What vegetables are good in slow cooker? ›

The best vegetables for a slow cooker are sturdier veggies like celery, carrots, tomatoes, onions, peppers and green beans, like we used in this recipe. Also, cauliflower, corn, beets, potatoes (both Russet and sweet), mushrooms and squash are all great contenders, too.

What vegetables should not be added to a slow cooker? ›

Tender vegetables

Vegetables such as peas, asparagus and peppers can become a flavorless, mushy mess in a slow cooker. Stick to heartier root vegetables like potatoes, onions, leeks and yams, or wait to add the tender vegetables until the last 30 minutes or so of cooking time.

Can you keep roasted veggies warm in the crockpot? ›

A Versatile Side Dish

Not only is this roasted vegetable recipe super healthy, but it's beautiful and flavorful. Can be made ahead of time and served chilled in salads or room temperature. Keep them warm in a crockpot on a buffet table.

When should I add my vegetables to a slow cooker? ›

Tender vegetables such as zucchini and beans can be added to your dish in last ¾ - 1 hour of cooking when cooking on High, or 2 hours if cooking on Low. Hard, starchy vegetables like potato and carrots are best added around 3 hours before the meal is done if cooking on High, and 4 hours on Low.

Does roast need to be covered in liquid in a slow cooker? ›

Some recipes call for liquid, some do not. It mainly comes down to the type of meat you use. Cuts like chuck roast will release more fat and moisture than leaner cuts, so they don't need any water. In addition, the slow cooker itself creates some moisture, which helps keep the meat juicy.

Should liquid cover vegetables in slow cooker? ›

Reduce liquid when using a slow cooker

It should just cover the meat and vegetables. Don't overfill your slow cooker, or it may start leaking out the top, and the food won't cook so well.

What cannot be cooked in a slow cooker? ›

10 Foods You Should Never Make in a Slow Cooker
  1. Raw Meat.
  2. Seafood.
  3. Pasta.
  4. Rice.
  5. Delicate Vegetables.
  6. Boneless Skinless Chicken Breasts.
  7. Dairy.
  8. Wine and Other Liquor.
Jan 19, 2024

Can you overcook vegetables in a slow cooker? ›

Due to the slow cooker's lengthy cooking time, most vegetables will become overcooked and mushy if they're added too soon, says Stephen Chavez, chef instructor at the Institute of Culinary Education in Los Angeles.

Why do carrots not cook in slow cooker? ›

Not enough liquid: Slow cookers rely on moist heat to soften food. If you don't have enough liquid in the pot, the carrots won't cook evenly and may stay tough. Aim for at least a cup or two of liquid, enough to reach about a third of the way up on the ingredients.

Why are my potatoes still hard in the crockpot? ›

Insufficient Liquid: If there wasn't enough liquid in the crockpot, it could have caused uneven cooking. Potatoes need to be fully submerged in liquid to cook evenly. Old Potatoes: Very old or stored potatoes can become starchy and may not soften as well during cooking. It's best to use fresh, firm potatoes.

What veggies go with a roast? ›

Beef up dinner with these sides.
  • Mom's Scalloped Potatoes. ...
  • Sky High Yorkshire Pudding. ...
  • Honey Dijon Brussels Sprouts. ...
  • Quick and Easy Mashed Sweet Potatoes. ...
  • Balsamic Mushrooms. ...
  • Roasted Beets with Goat Cheese and Walnuts. ...
  • Maple Glazed Carrots. ...
  • Savory Green Beans.
Aug 5, 2019

Is 4 hours on high the same as 8 hours on low? ›

The difference between "High" and "Low" on slow cookers seems to differ with every brand and model. One thing that is consistent, though, is that food takes seven to eight hours to reach a simmer point (around 210°) on low; versus three to four hours on high.

When to add potatoes and carrots to a slow cooker? ›

Small diced potatoes and veggies will get mushy when cooked in the slow cooker for 8 or more hours. If you'd like to use small diced veggies, add them in the last 2 hours of cooking.

Can I roast vegetables ahead of time and then reheat? ›

To make ahead, roast the vegetables just under the total cook time, until firm but not tender. The Brussels sprouts should be cooked through according to the recipe. Reheat the roasted vegetables in trays, covered with foil at 425 degrees F (220 degrees C) for 15 to 20 minutes.

Should the roast or vegetables be on top? ›

Place the roast on top and nestle it down into the veggies so that it's mostly on top of the veggies and potatoes. Generously salt & pepper the roast and add some to the veggies, too.

When should I put my veggies in my roast? ›

Cook several hours until fork tender, this may take from for 3 1/2 to 4 1/2 hours, or longer, depending on the size of your roast. Check once or twice to make sure that the liquids haven't cooked down too much. If so, add a bit more stock. After the first 2 1/2 hours, add the vegetables all around the meat.

What order do you put ingredients in a crockpot? ›

The slowest cooking items should go on the bottom and then layer accordingly for the remaining ingredients.

When should you add vegetables to a roast? ›

But you're looking at drier, higher heats, where veggies have a greater chance of overcooking, so it's best to add them at the halfway mark (or at minimum an hour before the meat is done) if you want both roast and veggies to predictably and delectably finish at the same time.

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