1. Combine all ingredients, except your food coloring, in a mixing bowl. Mix on medium speed for 4 minutes.
2. If icing is not stiff enough add 1/4 C powder sugar.
3. Leave icing in large bowl.
4. Take out 4 bowls, put 1/4 cup of icing in two bowls (brown & black), divide the remaining icing into half. (Bowls #3 & #4.)
5. In bowl #1 add several drops of brown gel food coloring stir well until all of the color is blended.
6. In bowl #2, add several drops of black gel food coloring stirring well until all of the color is blended.
7. In bowl #3, add several drops of green gel food coloring stir to mix well. 8. In bowl #4, add several drops of red gel food coloring stir to mix well.
9. Red is a difficult color to get. Therefore, you may have to continue to add the food coloring to get the bright deep red color. That is why you are to use a gel food color as it doesn’t water down the icing.
10, Twist the open end of the bag to push the icing to the tip.. Spoon each of the icings into individual frosting bags with a #5 tips.
11. Twist the open end of the icing bag to push the icing into the tip.