This is a must-have for Rhubarb Bread Pudding.

Grand Marnier Hard Sauce

½ cup softened butter

1-1/2 cups powdered sugar

2 Tbsp. Grand Marnier, more or less to taste

Beat butter until fluffy. Add powdered sugar gradually until incorporated, scraping sides of mixing bowl. Add Grand Marnier and beat again, making sure all is incorporated. Spoon into serving dish. Serve by placing dollaps onto servings of warm bread pudding.