Babka, Grandma Bertha's

Ingredients

• 1 cup sour cream
• 3 eggs
• 1/2 cup sugar
• 4-1/2 cups flour
• 1 tsp. salt
• 1/2 cup butter (melted)
• 2 cakes yeast
• 1/2 cup softened butter
• 1 cup chopped walnuts
• 3/4 tbsp. cinnamon
• 1 cup sugar