Spinach Pasta Bake Recipe | Say Mmm

Ingredients

• 12-16 ounces rigatoni or penne pasta
• 3 tablespoons butter, divided
• 1 cup chopped onion
• 3 cloves fresh minced garlic
• 1 / 4 cup all-purpose flour
• 2 1 / 2 cups skim milk
• 1 1 / 4 cups (5 ounces) preshredded Parmesan cheese, divided
• 1 1 / 2 teaspoons dried Italian seasoning
• 1 / 2 teaspoon pepper
• 1 (14.5 ounce) can diced tomatoes (Italian style)
• 1 (10-ounce) package frozen chopped spinach, thawed and drained
• canola oil for coating baking dish
• 1 / 4 cup dry breadcrumbs
• 2 tablespoons (1 / 2 ounce) preshredded Parmesan cheese