1 cup Hi Ratio Shortening 2 Tbsp Meringue Powder 1 tsp Pure Vanilla Extract 1 tsp Butter flavoring 1/4 cup Whole Milk, plus a few teaspoons for desired consistency 2 lbs Powdered Sugar, sifted Place shortening, meringue powder, flavorings and milk into bowl of stand mixer. Start on low speed and combine thoroughly. Add 1/4 cup to 1/2 cup powdered sugar at a time, combining thoroughly between additions, until all is combined. Scrape down sides of bowl and mix again on low to medium speed. Be sure not to whip in too much air.