Blueberry Coffee Cake
["1 box blueberry muffin mix", "2 Tbsp. oil", "1 egg", "1/2 c. water", "1/3 c. brown sugar", "1 tsp. cinnamon"]
["Wash blueberries and drain.", "Put muffin mix, egg and water in 9 x 9-inch pan.", "Stir with fork until blended.", "Mix brown sugar and cinnamon.", "Sprinkle blueberries, brown sugar and cinnamon over batter.", "Use fork to fold into batter to create a marbled effect. Bake at 350\u00b0 for 25 to 35 minutes.", "Use knife to loosen sides.", "I put a few tablespoons of icing from a can on top of it.", "After it melts, spread around."]
["muffin mix", "oil", "egg", "water", "brown sugar", "cinnamon"]