Make this recipe a recipe that people in that category can eat. categories: ['vegetarian'], 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: heat oven to 350. spray shallow 1-1/2 quart casserole or gratin dish with nonstick cooking spray. in sprayed casserole, combine potatoes, cheese and onions; mix well. in medium bowl, combine all remaining ingredients, blend well. pour over potato mixture; mix well. bake 45 to 50 minutes or until potatoes are tender and top is golden brown.