Runsas (Beef and Cabbage Buns with Cheese) | America's Test Kitchen

Ingredients

• 3/4 cup warm water (110 degrees)
• 1/2 cup sweetened condensed milk
• 1/4 cup vegetable oil
• 2 tablespoons sugar
• 1 large egg
• 3 1/2 3½ cups (17½ ounces) all-purpose flour , plus extra for rolling out dough
• 2 packages instant or rapid-rise yeast
• 1 teaspoon salt
• 3 tablespoons unsalted butter , 2 tablespoons melted
• 1 1/2 pounds 90-percent lean ground beef
• 1 large onion , chopped fine
• 1/2 small head cabbage , chopped (about 3 cups)
• Salt and pepper
• 8 slices deli American cheese