1
: Cheese Sauce: Melt butter in medium saucepan, add flour and cook over low heat stirring for 1 minute. Whisk in milk and salt. Bring to a boil, lower heat and cook for 5 minutes, stirring occasionally until sauce has thickened. Add cheese, stirring until melted.
2
: Stir mixture into cooked pasta.
3
: Preheat oven to 375°F (190°C). Line 18 muffin cups with paper liners.
4
: Divide pasta mixture in prepared muffin cups. Combine breadcrumbs, parmesan cheese and olive oil in medium bowl. Sprinkle pasta mixture with grated cheddar cheese and then with breadcrumb topping.
5
: Bake in preheated oven 25 to 30 minutes or until tops are golden brown. Let muffins sit in pans for 10 minutes before removing from pans.