- 6 to 7 cups all-purpose flour
- 3 tablespoons sugar
- 1 teaspoon salt
- 2 (4-1/2 tsp.) envelopes Fleischmann’s® RapidRise® Instant Yeast
- 1 cup sour cream
- 1/2 cup water
- 1 cup butter OR margarine
- 3 eggs, at room temperature
- Filling:
- 3/4 cup butter OR margarine
- 1/2 cup sugar
- 3 tablespoons maple flavoring
- 5 cups ground walnuts
- Frosting:
- 2 cups powdered sugar
- 3 to 4 tablespoons milk
- 2 tablespoons pure vanilla extract