Quick-cooking and old-fashioned rolled oats are interchangeable unless recipes call for a specific type. Instant oatmeal products are not the same as quick-cooking or old-fashioned oats and should not be used for baking—you will get gummy or mushy results.
For 3 grams of fat and 95 calories per serving, substitute unsweetened applesauce for the shortening and 1/2 cup fat-free cholesterol-free egg product for the eggs. Increase cinnamon and vanilla to 1 1/2 teaspoons each.
Press dough in ungreased 13x9-inch pan. Bake 15 to 20 minutes or until light brown. Cool in pan on cooling rack. For 36 bars, cut into 6 rows by 6 rows.