In a large bowl, dissolve yeast in warm water. Add sugar, butter, salt and 2 1/4 cups flour. Beat until smooth. Stir in enough remaining flour to form a soft dough.

Turn onto a floured surface; knead for 6-8 minutes. Roll the dough into 14 in. x 10 in rectangle. Cut with a 3 in. round cookie cutter. Reroll scraps to cut a total of 24 circles. Place 1 teaspoon pizza sauce and slice of pepperoni in center of 12 circles.

In a large bowl, fombije pastrami, ham and cheese; place equal amounts over pepperoni. Top with 1/2 teaspoon of pizza sauce if desired. (Save remaining sauce for another use or use for dipping.) Cover with remaining dough circles; pinch edges or press with a fork to seal.

Place on greased baking sheets. Brush with egg. Bake at 400° for 20-25 minutes or until golden brown.