Mini Banana Split Cakes

mashed ripe bananas (from 5-6 very ripe bananas)

granulated sugar ((1 1/4 cup))

packed brown sugar ((1 1/4 cup))

vegetable oil (1 cup)

large eggs (at room temperature)

full-fat sour cream or Greek yogurt ((1 cup))

vanilla extract

all-purpose flour ((4 cups))

baking soda

salt

caramel sauce

egg whites (at room temperature)

granulated sugar ((2 cups))

salt

butter (slightly softened to the touch but still cool—not greasy or warm)

vanilla extract

vanilla bean paste (can substitute with an additional tbsp vanilla extract)

Fudge sauce (caramel sauce, sprinkles, and other assorted sundae toppings)

” round cutter (I have this set, this one is another option)

Cookie scoop

Small offset spatula

Cake turntable (optional, but makes decorating easier)

3.5 ” cardboard rounds to assemble the cakes on (can cut from larger cake rounds or other cardboard)