1. Heat oven to 375° F.
2. In a small mixing bowl blend together sugar, butter, syrup and walnuts. Spoon a heaping tablespoon of the mixture into each of ten 3-inch muffin pan cups.
3. Open biscuits according to package directions. Place one biscuit in each cup on top of mixture.
4. Bake 12 to 14 minutes or until tops are golden brown.
5. Remove from oven and immediately invert muffin pan onto a large piece of foil; let pan remain over buns for 1 minute. Gently remove pan. Let buns cool.