1/2 cup chopped onion
1 tbsp. butter
1 lb. lean ground beef or ground, round
1 egg, beaten
1/4 tsp. seasoned salt
1/4 tsp. ground sage
1/4 tsp. salt
1/8 tsp. pepper
40 mini rolls, split
8 oz. cheese slices, cut into 1 1/2-inch squares (optional)
40 dill pickle slices (optional)

In a skillet, sauté onion in butter. Transfer to a bowl; add meat, egg and seasonings. Spread over bottom halves of the rolls; replace tops.

Place on baking sheets; cover with foil. Bake at 350°F for 20 minutes. If desired, place a cheese square and pickle slice on each hamburger; replace tops and foil and return to the oven for 5 minutes. Yields: 40 appetizers.