One-Pot Cheesy Tomato Pasta with Roasted Vegetables

By AislePrompt Editorial · Published 2026-04-21 · Updated 2026-04-21

A hearty, customizable pasta dish simmered with tomatoes and vegetables in a single pot for minimal cleanup. This Italian-inspired one-pot recipe, ready in about 30 minutes, pairs penne pasta, olive oil, onion for a weeknight-friendly dinner that comes together with one pan and minimal cleanup. Each serving lands at about 350 calories and feeds 4, 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.

Ingredients

• 8 oz penne pasta
• 2 tbsp olive oil
• 1 small, diced onion
• 2 cloves, minced garlic
• 1 (28 oz) can crushed tomatoes
• 1/2 cup vegetable broth
• 1/2 cup, grated mozzarella cheese
• 1/4 cup, grated parmesan cheese
• 1/2 tsp dried oregano
• 1/4 tsp salt
• 1/8 tsp black pepper

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Instructions

1. Step 1: Heat 2 tbsp olive oil in a large pot over medium heat. Add 1 small diced onion and cook for 5 minutes until translucent and softened.
2. Step 2: Stir in 2 minced garlic cloves and cook for 1 minute until fragrant, being careful not to brown the garlic.
3. Step 3: Add 1 (28 oz) can crushed tomatoes, 1/2 cup vegetable broth, 1/2 tsp dried oregano, 1/4 tsp salt, and 1/8 tsp black pepper; bring to a gentle simmer and cook for 5 minutes.
4. Step 4: Add 8 oz penne pasta, stir to coat, cover, and simmer for 12 minutes, stirring occasionally, until pasta is tender.
5. Step 5: Stir in 1/2 cup grated mozzarella and 1/4 cup grated parmesan; cook for 2 minutes until cheese melts, then serve immediately.