Summer Vegetables in Red Sauce

$8.15 recipe / $1.36 serving
by Beth - Budget Bytes
4.86 from 7 votes
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One of my favorite things about summer is all of the colorful vegetables. I pack my plate with as many vegetables as I can this time of year because I know that six months from now they won’t be nearly as delicious or inexpensive. Simmering a medley of vegetables in a simple jar of pasta sauce makes a really quick, filling, and inexpensive meal that you can spoon over a bowl of polenta, a plate of pasta, or even a hearty piece of toast. Simple and delicious!

Close up overhead view of vegetables in red sauce over polenta with a fork.

What Vegetables to Use

Whenever I make a recipe with multiple vegetables, I always try to make sure to get a variety of colors. So today I used eggplant (dark/purple), zucchini (green), red bell pepper (red), and yellow onion (white). But here are some other vegetables that would also work well in this recipe:

  • Carrots
  • Yellow squash
  • Green bell pepper
  • Spinach or kale
  • Mushrooms
  • Asparagus

Red Sauce Options

To keep this recipe extra simple, I just used a jar of store-bought pasta sauce, but just about any red pasta sauce will work here. If you prefer to make your own instead of buying pre-made sauce, you can try my quick weeknight pasta sauce, or a deeper slow cooker pasta sauce.

What to Serve with Vegetables in Red Sauce

I whipped up a quick Parmesan polenta to serve as the base for these vegetables and sauce, but they would be equally good over pasta, mashed potatoes, or even a sturdy piece of toast.

Overhead view of vegetables in red sauce in the pot.
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Summer Vegetables in Red Sauce

4.86 from 7 votes
Colorful summer vegetables simmered in a red sauce and spooned over warm polenta make a hearty and inexpensive summer meal.
Close up overhead view of cornmeal and vegetables in red sauce in a bowl with a fork on the side.
Servings 6 1 cup vegetables each
Prep 10 minutes
Cook 30 minutes
Total 40 minutes

Ingredients

Vegetables in Red Sauce

  • 1 yellow onion ($0.32)
  • 4 cloves garlic ($0.32)
  • 2 Tbsp olive oil ($0.32)
  • 1 eggplant ($1.49)
  • 1 tsp Italian seasoning ($0.10)
  • 1/4 tsp salt ($0.02)
  • 1/4 tsp pepper ($0.03)
  • 1 red bell pepper ($1.50)
  • 1 zucchini ($1.47)
  • 1 24oz. jar pasta sauce ($1.50)
  • 2 Tbsp chopped fresh parsley (optional garnish) ($0.10)

Parmesan Cornmeal (optional)

  • 5 cups water ($0.00)
  • 1 tsp salt ($0.05)
  • 1 cup yellow cornmeal ($0.40)
  • 2 Tbsp butter ($0.22)
  • 1/4 cup grated Parmesan ($0.36)

Instructions 

  • Dice the onion and mince the garlic. Add the onion, garlic, and olive oil to a large pot. Sauté over medium heat until the onions have softened.
  • While the onion and garlic are cooking, dice the eggplant into ½-inch pieces. Add the eggplant to the pot with the Italian seasoning, salt, and pepper, and continue to sauté over medium heat.
  • Dice the red bell pepper. Once the eggplant has softened, add the diced bell pepper to the pot and continue to sauté.
  • Slice the zucchini into ¼-inch thick quarter-rounds, then add them to the pot. Continue to sauté just a couple minutes more, or until the zucchini just begin to soften.
  • Add the red sauce and 1/4 cup water to the pot and stir to combine. Let the vegetables simmer in the sauce for 5-10 minutes, or until they reach your desired level of tenderness.
  • While the vegetables are simmering, bring a separate pot of water to a boil.
  • Once boiling, stir in the salt, then pour in the cornmeal while whisking. Continue to cook and whisk until the cornmeal thickens (this should happen quickly).
  • Once the cornmeal has thickened, stir in the butter until melted, then add the grated Parmesan. Stir to combine, then taste and adjust the seasoning to your liking.
  • To serve, spoon ⅔ cup cornmeal into a bowl then top with one cup of the vegetables and red sauce. Garnish with chopped parsley if desired.

See how we calculate recipe costs here.


Equipment

Notes

Other serving options include serving the vegetables and sauce over pasta, a hearty piece of toast, or even a baked potato!

Nutrition

Serving: 1servingCalories: 263kcalCarbohydrates: 35gProtein: 7gFat: 12gSodium: 1143mgFiber: 8g
Read our full nutrition disclaimer here.
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A bowl of summer vegetables in red sauce over polenta with a fork in the center.

How to Make Summer Vegetables in Red Sauce – Step by Step Photos

Garlic Onion and Oil in the pot.

Dice one yellow onion and mince four cloves of garlic. Add the onion and garlic to a large pot along with 2 Tbsp olive oil. Sauté over medium heat until the onions have softened.

Diced eggplant added to the pot.

While the onion and garlic are cooking, dice an eggplant into ½-inch pieces. Add them to the pot with 1/4 tsp salt, 1/4 tsp pepper, and 1/2 tsp Italian seasoning, and continue to sauté until the eggplant have softened.

Diced bell pepper added to the pot.

Dice one red bell pepper, add it to the pot, and continue to sauté.

Chopped zucchini added to the pot.

Slice one zucchini into 1/4-inch thick quarter-rounds. Add the zucchini to the pot and sauté just until the zucchini begins to soften.

pasta sauce being poured into the pot.

Add one 24oz. jar (3 cups) red sauce and 1/4 cup water to the pot and stir to combine.

Simmered vegetables in red sauce in the pot.

Let the vegetables simmer in the red sauce for about 10 more minutes. Taste and season with salt to taste.

Cornmeal being poured into a pot of boiling water with a whisk.

If you’d like to serve the vegetables over polenta, bring 5 cups of water up to a boil. Once boiling, stir in one teaspoon salt, then add one cup of cornmeal while whisking. Continue to cook and whisk until it thickens (this only takes a minute or two).

Butter added to cooked cornmeal.

Stir two tablespoons of butter into the thickened cornmeal.

Grated Parmesan being sprinkled over the cornmeal.

Finally, Stir in ¼ cup grated Parmesan. Taste the cornmeal and adjust the seasonings to your liking.

Close up overhead view of cornmeal and vegetables in red sauce in a bowl with a fork on the side.

Add about ⅔ cup of the cornmeal to a bowl and top with 1 cup of the vegetables in red sauce. Top with a little more Parmesan and some chopped fresh parsley. Enjoy!

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  1. Delicious! This is a great recipe to use fresh veg picked from my garden. Love that it is an easy recipe as well! The only alteration I made was that I used dairy-free butter and dairy-free mozzarella since my daughter is allergic to dairy. It turned out great!

  2. Vegetables came out super tasty, but not sure if I used the right corn meal. I bought regular corn meal and one cup to 5 cups of water did not work. I had to dump in extra cornmeal to get it the right consistency and boil for about 15 minutes. It came out very bland even with extra butter and parmesan. Want to make this again though, will just try to half the amount of water and use chicken stock for more flavor.