Chocolate Chip Cake
["2 c. flour", "2 c. brown sugar", "1/2 tsp. cinnamon", "1/2 c. (1 stick) unsalted butter, cut into 6 chunks", "1 large egg", "1 tsp. baking soda", "1 c. sour cream", "1 1/2 c. (9 oz.) semi-sweet chocolate chips"]
["Preheat oven to 325\u00b0.", "Grease an 11 x 7-inch baking pan.", "Put flour, sugar and cinnamon in a large bowl of electric mixer and mix on low for 15 seconds.", "Add softened butter and mix until butter pieces are size of peas.", "You will see loose flour. Mix in egg."]
["flour", "brown sugar", "cinnamon", "unsalted butter", "egg", "baking soda", "sour cream", "semi-sweet chocolate chips"]