Lighter Tuna Casserole - Healthy Pantry

Ingredients

• 8 ounces uncooked egg noodles
• 2 tablespoons butter
• 1 onion, diced
• 8 ounces (1 package) mushrooms, sliced
• 1 cup chicken broth
• 1 cup milk
• 1/4 cup flour
• 1/2 teaspoon garlic powder
• 1 can peas and carrots, drained
• 2 (5 ounce) cans tuna, drained
• 1/2 cup shredded cheese
• 1/4 cup breadcrumbs
• Salt and pepper