1 pound lean ground beef (90% lean) or ground beef
40 mini buns, split
8 ounces process American cheese slices, cut into 1-1/2-inch squares, optional
40 dill pickle slices, optional
In a large skillet, saute onion in butter. Transfer to large bowl; add egg and seasonings. Crumble beef over mixture and mix well. Spread over bottom halves of the buns; replace tops. Place on baking sheets; cover with foil.
Bake at 350° for 20 minutes or until meat is no longer pink. If desired, place a cheese square and pickle on each hamburger; replace tops and foil and return to the oven for 5 minutes.
Every editorial product is independently selected, though we may be compensated or receive an affiliate commission if you buy something through our links. Ratings and prices are accurate and items are in stock as of time of publication.