Easy Ham Tetrazzini - Creamy Pasta Bake in 40 Minutes - Tasty Blom

Ingredients

• 8 ounces spaghetti.
• 2 tablespoons unsalted butter.
• 1/2 medium onion, diced.
• 6 ounces mushrooms, sliced.
• 1 can (10.75-ounce) condensed cream of mushroom soup.
• 1/2 cup milk.
• 1/2 teaspoon salt.
• 1/4 teaspoon black pepper.
• 1 1/2 cups diced cooked ham.
• 1 cup frozen peas, thawed.
• 1 cup shredded cheddar cheese.
• 1/4 cup grated Parmesan cheese.
• 1/4 cup breadcrumbs (optional).