Cheeseburger Sliders

bun (enriched wheat flour [wheat flour, malted barley flour, niacin, reduced iron, thiamine mononitrate, riboflavin, folic acid], water, sugar, soybean oil, contains less than 2% of: wheat gluten, yeast, salt, calcium propionate [preservative], monoglycerides, citric acid, ascorbic acid, enzymes), fully cooked beef patties (beef, onion, 2% or less of: salt, spices), pasteurized processed american cheese (american cheese [milk, salt, cheese cultures, enzymes], water, nonfat dry milk, whey, cream, sodium citrate, sorbic acid [preservative], soy lecithin [anti-sticking agent], apo-carotenal [color]), onions. contains milk, wheat and soy. may contain traces of eggs and sesame.