Modern Tuna Casserole Recipe: How to Make It

Ingredients

• 3 tablespoons butter, divided
• 4 medium carrots, chopped
• 1 medium onion, chopped
• 1 medium sweet red pepper, chopped
• 1 cup sliced baby portobello mushrooms
• 2 cans (5 ounces each) albacore white tuna in water, drained and flaked
• 2 cups fresh baby spinach
• 1 cup frozen peas
• 3 cups uncooked spiral pasta
• 1 tablespoon all-purpose flour
• 2/3 cup reduced-sodium chicken broth
• 1/3 cup half-and-half cream
• 1/2 cup shredded Parmesan cheese
• 3/4 teaspoon salt
• 1/4 teaspoon pepper