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

  1. 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

  2. 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

  3. 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

  4. Add Garlic

    Stir in the minced garlic and cook for about 1 minute until fragrant.

    Time: PT1M

    Temperature: Medium‑high

  5. 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

  6. 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

  7. Preheat Oven

    While the skillet mixture is finishing, preheat the oven to 500°F (260°C).

    Time: PT5M

    Temperature: 500°F

  8. Oil Casserole Dish

    Lightly coat the bottom and sides of the casserole dish with a thin layer of olive oil.

    Time: PT2M

  9. First Pasta Layer

    Arrange half of the sliced Penta discs in an even layer on the bottom of the dish.

    Time: PT2M

  10. First Veggie Layer

    Spread half of the skillet vegetable mixture over the pasta layer.

    Time: PT2M

  11. First Cheese Layer

    Sprinkle 1 cup of shredded cheese evenly over the vegetables.

    Time: PT1M

  12. Second Layers

    Add the remaining Penta discs, then the rest of the vegetable mixture, and finally the remaining shredded cheese.

    Time: PT3M

  13. 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

  14. 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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Polenta Casserole

Recipe by appealdemocrat

A hearty, cheesy casserole made with sliced Penta pasta tubes, sautéed onions, squash, corn, fire‑roasted chilies, and diced tomatoes. Perfect for a quick family dinner, this dish layers flavorful vegetables and cheese between pasta discs and bakes at a high temperature for a golden, bubbly top.

EasyAmericanServes 4

Shop all ingredients on Amazon in one click • Printable PDF with shopping checklist

Source Video
35m
Prep
20m
Cook
10m
Cleanup
1h 5m
Total

Cost Breakdown

$14.50
Total cost
$3.63
Per serving

Critical Success Points

  • Caramelizing the onions for deep flavor.
  • Slicing the Penta tubes into uniform ¼‑inch discs.
  • Layering the pasta, vegetables, and cheese in the correct order.
  • Baking at a very high temperature (500°F) for a short time to achieve a bubbly, golden top.

Safety Warnings

  • Handle hot oil and butter carefully to avoid burns.
  • The oven is set to 500°F; use oven mitts when removing the casserole.
  • Sharp knife required for slicing pasta tubes – cut away from your body.

Frequently Asked Questions

Everything you need to know about this recipe

Q

What is the cultural significance of casserole dishes in American family meals?

A

Casseroles have long been a staple of American home cooking, offering a convenient way to combine proteins, vegetables, and starches in one baked dish. They are especially popular for family gatherings, potlucks, and holiday meals because they can be prepared ahead and feed a crowd.

cultural
Q

What regional variations of casserole exist within United States cuisine?

A

Across the U.S., casseroles vary from Southern chicken‑and‑rice dishes to New England tuna noodle casseroles and Midwest tater‑tot casseroles. Each region adapts the basic concept to local ingredients and traditions, but the layered, baked format remains consistent.

cultural
Q

How is a traditional American casserole typically served?

A

A classic American casserole is served hot straight from the oven, often on a large serving platter. It is usually accompanied by a simple green salad or crusty bread to balance the rich, cheesy interior.

cultural
Q

What occasions or celebrations is a casserole like this Penta Pasta Casserole traditionally associated with?

A

Casseroles are a go‑to dish for casual family dinners, birthday parties, and holiday gatherings such as Thanksgiving or Christmas when a hearty, crowd‑pleasing side is needed. Their make‑ahead nature makes them ideal for busy holiday kitchens.

cultural
Q

How does the Penta Pasta Casserole fit into the broader American comfort‑food tradition?

A

This casserole embodies American comfort food by combining familiar pantry staples—pasta, cheese, and canned vegetables—into a warm, cheesy bake. Its simplicity, heartiness, and ability to be customized with spice levels reflect the adaptable nature of American home cooking.

cultural
Q

What are the authentic traditional ingredients for a classic American casserole versus acceptable substitutes?

A

Traditional casseroles often use ingredients like cheddar cheese, canned tomatoes, and frozen corn. Acceptable substitutes include Monterey Jack for cheddar, fresh diced tomatoes instead of canned, and frozen or fresh corn. For a gluten‑free version, replace Penta pasta with a gluten‑free tube pasta.

cultural
Q

What other American dishes pair well with Penta Pasta Casserole?

A

Pairs nicely with a crisp green salad tossed in vinaigrette, garlic‑buttered dinner rolls, or a side of roasted broccoli. For a fuller meal, serve alongside a simple soup such as tomato bisque.

cultural
Q

What are the most common mistakes to avoid when making Penta Pasta Casserole?

A

Common errors include over‑slicing the pasta discs (making them too thick), not draining canned vegetables which leads to a soggy casserole, and under‑seasoning the vegetable mixture. Also, baking at too low a temperature can result in a pale, un‑bubbly cheese top.

technical
Q

Why does this recipe bake at a high temperature of 500°F instead of a lower temperature?

A

A high oven temperature quickly browns the cheese and creates a bubbling, golden crust while keeping the interior moist. Lower temperatures would require a longer bake, risking soggy pasta and less pronounced cheese browning.

technical
Q

Can I make the Penta Pasta Casserole ahead of time and how should I store it before baking?

A

Yes. Assemble the casserole up to step 12, cover tightly with foil, and refrigerate for up to 24 hours. When ready, remove the foil and bake as directed, adding a few extra minutes if baking from cold.

technical
Q

What does the YouTube channel appealdemocrat specialize in?

A

The YouTube channel appealdemocrat focuses on approachable, family‑friendly home cooking videos that showcase easy‑to‑make, comforting dishes often using pantry staples and simple techniques.

channel

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