Very Berry Buttercream Frosting

In a large bowl, beat butter with an electric mixture until light and fluffy, about 2 minutes. Gradually add in sugar and vanilla and mix until blended. Start with about 2-1/2 cups of sugar and continue adding 1/2 cup at a time until frosting is light and slightly stiff.

In a separate bowl, add berries and mash with a fork. You can use a food processor if you are using larger berries like strawberries, but I find it easier to just mash smaller berries with a fork until broken into small pieces. Add 3 tablespoons of berry mixture into the frosting and fold in until blended.

Spread or pipe onto top of cake or cupcakes.