Make this recipe a recipe that people in that category can eat. categories: ['low_carb'], recipe: toss bread, ham, and cheese; divide between two greased 13-in x 9-in baking dishes. in a skillet, saute onion in butter until tender; transfer to a bowl. add eggs, milk, and mustard; mix well. pour over bread mixture. cover and refrigerate overnight. remove from the fridge 30 minutes before baking. bake, uncovered, at 350 degrees for 55-65 minutes or until a knife inserted near the center comes out clean. serve immediately.

Target recipe: mix the first six ingredients together and spread onto bread rounds. mix the next four ingredients together; spread over the top of the ham mixture and place on a baking sheet. preheat broiler; broil until cheese is melted (take caution as this will scorch quickly).