In bowl, combine yeast, sugar, salt, and 1 cup flour.In saucepan over medium heat, heat margarine and water until very warm (125 degrees). With mixer at low speed, beat liquid into dry ingredients. At medium speed, beat 2 minutes. Reserve 1 egg white; beat in egg and egg yolk with 1 cup flour; beat 2 minutes. Stir in 2 1/4 cups flour.Turn dough onto floured surface and knead until smooth and elastic, about 5 minutes, working in about 1/4 cup flour while kneading. Shape dough into ball; cover and let rest 15 minutes.Preheat oven to 375 degrees. Grease 2 cookie sheets.Cut dough into eighths.For 1 bunny; cut 1 piece dough in half; shape half into ball, with a kiss in center, for body. Place on cookie sheet.Cut other half in half; shape half into ball; brush with egg white; place next to large ball,tucking slightly under it for head.From remaining half, pinch off 3/4-inch piece for tail and shape 2 ears. Brush tail and ears with egg white; tuck slightly under bunny. Brush body with egg white.Make 3 more bunnies.Bake 15 minutes or until browned. Cool on rack. Repeat to make 4 more.Mix confectioners' sugar with about 1/4 teaspoon water and a hint of red food coloring (for pink); use to draw face on bunnies.