Polenta Casserole
Polenta Casserole is a easy American recipe that serves 4. 350 calories per serving. Recipe by appealdemocrat on YouTube.
Prep: 25 min | Cook: 20 min | Total: 1 hr
Cost: $14.50 total, $3.63 per serving
Ingredients
- 1 medium Yellow Onion (diced)
- 1 medium Yellow Squash (diced into small pieces)
- 2 medium Green Zucchini (diced into small pieces)
- 2 cans Fire‑Roasted Green Chilies (4‑oz cans, drained)
- 1 can Diced Tomatoes (14.5‑oz can, preferably fire‑roasted)
- 1 cup Sweet Corn (drained, from a 15‑oz can)
- 2 teaspoons Garlic (minced; add an extra 1 tsp later if desired)
- 2 tablespoons Olive Oil (extra‑virgin preferred)
- 2 tablespoons Unsalted Butter (cut into small pieces)
- 2 teaspoons Chili Powder (adjust for heat preference)
- 1 teaspoon Salt
- ½ teaspoon Black Pepper (freshly ground)
- 2 tubes Penta Pasta Tubes (refrigerated section, cut into ¼‑inch discs)
- 2 cups Cheddar or Monterey Jack Cheese (shredded; divided for layering)
Instructions
Prep Vegetables and Garlic
Dice the onion, yellow squash, and green zucchini into bite‑size pieces. Mince the garlic (about 2 teaspoons). Drain the sweet corn and set aside.
Time: PT10M
Slice Penta Pasta
Remove the two refrigerated Penta tubes. Using a sharp knife, slice each tube into ¼‑inch thick discs, cutting over the sink to let any water drain away.
Time: PT5M
Sauté Onions
Heat butter and olive oil in a large skillet over medium‑high heat. Add the diced onion and sauté, stirring occasionally, until the edges turn golden and the onion is caramelized.
Time: PT5M
Temperature: Medium‑high
Add Garlic
Stir in the minced garlic and cook for about 1 minute until fragrant.
Time: PT1M
Temperature: Medium‑high
Sauté Squash
Add the diced yellow squash and green zucchini to the skillet. Cook, stirring, for 3 minutes until they begin to soften.
Time: PT3M
Temperature: Medium‑high
Combine Canned Ingredients
Add the diced tomatoes, fire‑roasted green chilies, drained corn, chili powder, salt, and black pepper. Stir well and let the mixture heat through for 3 minutes.
Time: PT3M
Temperature: Medium‑high
Preheat Oven
While the skillet mixture is finishing, preheat the oven to 500°F (260°C).
Time: PT5M
Temperature: 500°F
Oil Casserole Dish
Lightly coat the bottom and sides of the casserole dish with a thin layer of olive oil.
Time: PT2M
First Pasta Layer
Arrange half of the sliced Penta discs in an even layer on the bottom of the dish.
Time: PT2M
First Veggie Layer
Spread half of the skillet vegetable mixture over the pasta layer.
Time: PT2M
First Cheese Layer
Sprinkle 1 cup of shredded cheese evenly over the vegetables.
Time: PT1M
Second Layers
Add the remaining Penta discs, then the rest of the vegetable mixture, and finally the remaining shredded cheese.
Time: PT3M
Bake
Place the casserole in the preheated oven and bake for 5‑10 minutes, until the cheese is bubbling and lightly browned around the edges.
Time: PT8M
Temperature: 500°F
Rest and Serve
Remove the casserole from the oven and let it rest for 5 minutes before slicing and serving.
Time: PT5M
Nutrition Facts
- Calories
- 350
- Protein
- 15 g
- Carbohydrates
- 45 g
- Fat
- 12 g
- Fiber
- 5 g
Dietary info: Vegetarian, Can be made vegan by using dairy‑free cheese
Allergens: Dairy, Gluten
Last updated: April 17, 2026






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