Vegetable Plantain Casserole

By , Test Kitchen Director · Reviewed by AislePrompt Editorial · ·

A hearty casserole featuring layers of thinly sliced plantains, a savory vegetable filling, and melted cheese, baked to golden perfection. This Puerto Rican-inspired vegetarian recipe, ready in about 75 minutes, pairs Green plantains (unripe), Onion, diced, Bell pepper, diced for a weeknight-friendly dinner that comes together with one pan and minimal cleanup. Each serving lands at about 300 calories and feeds 6, so it slots cleanly into a weekly meal plan and pairs well with a quick salad or grain on the side. Tap "Plan a meal with the AI" below to drop this recipe into your week and send the ingredients straight to Instacart. Nutrition values are approximate, calculated from USDA FoodData Central (fdc.nal.usda.gov) — verify against ingredient labels for any health-driven dietary plan.

Prep: 30 min Cook: 45 min Serves 6 Puerto Rican cuisine 300 cal/serving
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Ingredients

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Instructions

  1. Step 1: Preheat oven to 375°F. Peel the plantains and slice into 1/4-inch thick rounds; arrange in a single layer on a baking sheet, brush with 1 tbsp olive oil, and season with 1/2 tsp salt and 1/4 tsp black pepper; roast for 20 minutes until slightly golden.
  2. Step 2: In a skillet over medium heat, heat 1 tsp olive oil, add the diced onion, bell pepper, and zucchini, and cook for 5-6 minutes until softened; add the minced garlic and cook for 1 minute more, then stir in the diced tomato, 1/2 cup vegetable broth, and 1/2 cup corn; simmer for 5 minutes until liquid reduces slightly.
  3. Step 3: In a 9x13-inch baking dish, layer half of the roasted plantain slices, spread the vegetable mixture evenly over the plantains, and top with the remaining plantain slices. Sprinkle the shredded cheddar cheese over the top and bake for 20-25 minutes until cheese is melted and bubbly.

Frequently asked questions

How long does Vegetable Plantain Casserole take to make?

Total time is about 75 minutes (30 min prep + 45 min cook). Most home cooks find this fits comfortably into a weeknight; double the batch on Sunday for two dinners.

How do I store leftover Vegetable Plantain Casserole?

Cool to room temperature within 2 hours, then store in an airtight container in the fridge for up to 4 days. Reheat covered in a 350°F oven for 10-12 minutes, or microwave at 70% power in 60-second bursts to keep green plantains (unripe) from drying out.

Can I substitute ingredients in Vegetable Plantain Casserole?

Yes — most ingredients in this recipe have flexible swaps. For oil, use any neutral high-smoke-point oil (avocado, grapeseed, refined coconut). For aromatics, dried herbs at ⅓ the volume of fresh work in a pinch. The full ingredient list is shoppable on Instacart so you can see substitutes in real time.

How do I scale Vegetable Plantain Casserole for a different number of people?

The recipe is written for 6 servings. Multiply each ingredient by (your serving target / 6). Cook time stays roughly the same up to 2x; for 3-4x batches, switch from a skillet to a sheet pan or stockpot so the food isn't crowded — overcrowding steams instead of browns.

Is Vegetable Plantain Casserole vegetarian?

Yes — this recipe is tagged vegetarian based on its ingredient list. Always cross-check labels for packaged ingredients (sauces, broths, condiments) since formulations vary by brand.

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