Preheat oven to hot (400°). Line a 9 x 9 x 2-inch-square baking pan with aluminum foil so ends overhang. Generously grease foil. Beat together eggs, salt and pepper in large bowl until foamy. Add flour and baking powder. Beat until smooth and no lumps remain. Add cheese, cilantro and jalapeno pepper; stir until well mixed. Pour into prepared pan. Bake in preheated hot oven (400°) for 10 minutes. Lower oven temperature to slow (325°). Bake 10 minutes more. Cool in pan on wire rack for 10 to 20 minutes. Remove foil with cheese mixture to cutting board. Peel down sides of foil. Cut into 1-inch squares. Serve warm or at room temperature. Makes 64 squares appet 37