Note: This recipe makes a stiff consistency buttercream icing. For decorating, you will need to thin it down so that it is soft enough to go through your decorating tips. Instructions for thinning it down are below.
Cream shortening, vanilla, and water together in a mixer. Combine meringue powder, salt, and confectioners' sugar in a large bowl. With mixer at medium speed, begin adding confectioners' sugar mixture, 1 cup at a time. Once sugar is thoroughly mixed in, add another cup until all ingredients are combined. Blend approximately 1 more minute until creamy.
Yields: 3 cups
Medium Consistency: Add 1 tsp. water per cup of stiff icing.
Thin Consistency: Add 2 tsp. water per cup of stiff icing.