1Heat oven to 350°F. In small bowl, mix 1/2 cup Bisquick® mix and 1 tablespoon powdered sugar. Cut in butter, using pastry blender or crisscrossing 2 knives, until crumbly. Press in ungreased 8x4-inch loaf pan.
2Bake about 10 minutes or until light brown. Meanwhile, in small bowl, mix remaining Bar ingredients. Pour coconut mixture over baked layer.
3Bake about 20 minutes or until set and golden brown. Loosen edges from sides of pan while warm. In small bowl, stir all Lemon Glaze ingredients until smooth; spread over bars. Cool completely, about 1 hour. For bars, cut into 4 rows by 2 rows.