Blueberry Lemon Coffee Cake made with cake mix! You won't believe how delicious this turns out, all made with lemon cake mix. Even the streusel is made with the mix, so you have NO extra work to do! Sour cream helps keep the cake moist and fluffy. A great recipe for spring and summer - this would be perfect for Mother's Day brunch! | #recipe #recipes #baking #lemon #blueberry #cakemix #coffeecake #mothersday #brunch #dessert #easyrecipes #cake