Chicken Noodle Casserole - The BakerMama

Ingredients

• 2 and 1/2 cups dried whole wheat ribbon noodles
• 4 tablespoons (1/2 stick) butter
• 1/4 cup all-purpose flour
• 2 and 1/2 cups milk
• 3 tablespoons extra virgin olive oil, divided
• 1/2 medium red bell pepper, chopped
• 1/2 medium green bell pepper, chopped
• 6 white mushrooms, sliced
• 1/2 medium yellow onion, chopped
• 3 cups cooked chicken, chopped
• salt and pepper, to taste
• 3/4 cup panko bread crumbs