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Veggie Pasta Bake

The Best Veggie Pasta Bake

Veggie Pasta Bake is a fun, cheesy, and filling meal loaded with vegetables—great for busy weeknights or leftovers.
Prep Time 15 minutes
Cook Time 30 minutes
Total Time 45 minutes
Course Main course / Casserole
Cuisine Italian‑American
Servings 6
Calories 450 kcal

Ingredients
  

  • 12  oz rigatoni or penne pasta
  • 2  tbsp olive oil
  • 1 medium onion diced
  • 2 cloves garlic minced
  • 1 cup bell pepper diced (any color)
  • 1 cup zucchini sliced
  • 1 cup mushrooms sliced
  • 1 jar 24 oz marinara sauce
  • ½  cup vegetable broth or water
  • 1  tsp Italian seasoning
  • Salt & pepper to taste
  • 1 ½ cups shredded mozzarella cheese
  • ¼  cup grated Parmesan cheese
  • Optional: fresh basil or parsley for garnish

Instructions
 

  • Cook pasta: Preheat oven to 375 °F (190 °C). Cook pasta 2 minutes less than al dente. Drain and set aside.
  • Sauté vegetables: In a large skillet, heat olive oil over medium heat. Sauté onion and garlic until translucent. Add bell pepper, zucchini, and mushrooms; cook 4–5 minutes.
  • Combine sauce: Stir in marinara, broth, Italian seasoning, salt, and pepper. Simmer 3 minutes.
  • Assemble: In a large bowl, mix pasta with vegetable–sauce mixture. Transfer to a greased 9x13‑inch baking dish.
  • Top & bake: Sprinkle mozzarella and Parmesan evenly over the top. Bake 20–22 minutes until bubbly and golden.
  • Garnish: Let rest 5 minutes, garnish with basil or parsley, and serve warm.
Keyword vegetarian, pasta bake, comfort food, cheesy casserole, weeknight dinner, family‑friendly