Make this recipe a recipe that people in that category can eat. categories: ['low_carb'], recipe: coat a medium saucepan with cooking spray; place over medium heat until hot. add onion, and saute 3 minutes or until tender. add flour, mustard, and salt; stir well, and cook an additional minute. remove form heat; gradually add milk and broth, stir in with a wire whisk until blended. cook over medium heat 5 minutes or until thickened, stirring constantly. remove from heat; add cheeses an pepper, stirring until cheeses melt. stir in sour cream. combine cheese mixture and potatoes; stir well. spoon into a 13 x 9 x 2" baking dish coated with cooking spray. sprinkle with paprika. cover and bake at 350: for 35 minutes. uncover and bake an additional 35 minutes.

Target recipe: this is very important: microwave the whole bag of potatoes for 5-10 minutes before starting casserole. you want them completely defrosted and even slightly cooked. mix all ingredients, reserving 2 cups cheese, in large mixing bowl. pour mixture in a greased 9x13 casserole baking dish. bake covered at 375 degrees for 1 hour. top with remaining 2 cups cheese. bake uncovered for another 5-10 minutes or until bubbly!