If you love Pineapple Upside Down Cake then you will adore this Blood Orange Upside-Down Cake that is packed with citrusy blood orange flavor and issuper moist and fluffy with the help of danishcreamery European-style Sea Salted Butter. Their butter is slow-churned in small batches for a velvety texture and rich flavor. This extra time and extra care result in extra delicious flavor! This light and buttery cake is a comforting cake for afternoon tea! 2 sticks Danish Creamery European-style sea salted butter (225gr), room temperature 4 large eggs 2 cups sugar 3.5 cups all-purpose flour 8 oz sour cream 1/2 cup freshly squeezed orange juice 2 blood oranges, zested 1 tsp baking soda Blood Orange Slices Butter a 10-inch spring form pan. Line the bottom with parchment paper. Butter and then sprinkle some sugar all over the bottom of the pan to get a thin, even layer of sugar. Cut your Blood Oranges into thin slices and arrange them over the layer of sugar. Put it into the fridge while ma...