Bake the ultimate celebration cake with the Best Homemade Funfetti Cake recipe! This from-scratch version is incredibly moist, tender, and packed with colorful sprinkles for a fun surprise in every bite. The secret to its perfect texture is a combination of butter, oil, and sour cream. Topped with a simple, fluffy vanilla buttercream, this is the perfect cake for birthdays, parties, or any special occasion. Say goodbye to box mix and hello to the most delicious Funfetti cake you'll ever...