Lemon sounds good.

SIMPLE RASPBERRY ICE CREAM

ING cup heavy cream, 14 oz can sweetened condensed milk, 8 ounce can Solo Raspberry Cake and Pastry Filling, teaspoon vanilla
METHOD Place a large mixing bowl into the freezer for approximately 5 minutes. In a separate bowl, add sweetened condensed milk, Solo Raspberry Cake and Pastry Filling, and vanilla extract. Whisk until evenly blended. FINAL Remove bowl from freezer, add heavy cream, and mix on high with an electric mixer (using a whisk attachment) until soft peaks form (approximately 4-5 minutes). Gently fold raspberry mixture into the cream mixture. Continue until the color and texture are consistent throughout.
FREEZE Prepare a square cake pan by lining it with parchment paper. Pour the mixture into the cake pan, and place a second piece of parchment paper on top. Place in the freezer until frozen, preferably overnight.