Chocolate Chip Coffee Cake - cooking recipe

Ingredients

1 c. butter
1/2 c. brown sugar
1/2 c. white sugar
3 eggs
1 tsp. vanilla extract
3 c. flour
1 Tbsp. baking soda
1/2 tsp. salt
1/2 c. walnuts, chopped
1 tsp. cinnamon
1 (12 oz.) pkg. semi-sweet chocolate chips
1 c. sour cream

Preparation

Preheat oven to 350\u00b0.