Deviled Ham Puffs
["1 (8 oz.) pkg. cream cheese, softened", "1 egg yolk", "2 tsp. minced onion (tiny)", "1/2 tsp. baking powder", "salt to taste", "1/4 tsp. prepared horseradish", "24 small bread rounds", "2 (2 1/4 oz.) cans deviled ham"]
["Preheat oven to 375\u00b0.", "Blend together cream cheese, egg yolk, onion, baking powder, salt and horseradish.", "Toast bread on one side.", "Spread onto toasted sides with deviled ham and cover each with a mound of the cheese mixture.", "Place on a cookie sheet and bake for 10 to 12 minutes or until puffed and brown.", "Serve hot. These can be prepared ahead and frozen.", "Thaw and bake.", "Melba toast may be substituted for the bread."]
["cream cheese", "egg yolk", "onion", "baking powder", "salt", "horseradish", "bread", "ham"]