Marshall Field'S Cinnamon Crunch Muffins - cooking recipe

Ingredients

7 Tbsp. butter, softened
7 Tbsp. margarine, softened
2 2/3 c. sugar
3 jumbo eggs, lightly beaten
1 1/2 c. sour cream
1 tsp. baking soda
6 c. sifted cake flour, sifted before measuring
1 1/2 tsp. salt
1 1/2 tsp. baking powder
1/2 tsp. nutmeg
6 c. Cinnamon Crunch (recipe follows)

Preparation

Preheat oven to 350\u00b0.
Cream butter or margarine.
Add the sugar and cream until fluffy; blend in eggs.
In a bowl, combine sour cream and baking soda.
Set aside.