For Cake:
Cooking spray
3 cups all-purpose flour
1 cup granulated sugar
1 cup packed dark brown sugar
1 teaspoon ground cinnamon
1 teaspoon baking soda
1/2 teaspoon salt
3 large eggs, lightly beaten
3/4 cup canola or other neutral oil
1 teaspoon vanilla extract
1 (8-ounce) can crushed pineapple and its juices
2 cups mashed ripe banana (from about 4 bananas)
1 cup chopped pecans
1 batch Perfect Cream Cheese Frosting
1 batch Dried Pineapple Flowers

Equipment
Measuring cups and spoons
Parchment paper
2 (9-inch) round cake pans
Mixing bowls
Whisk
Spatula

For Frosting:
8 ounces (2 sticks) unsalted butter, at room temperature
8 ounces cream cheese, at room temperature
1 pound powdered sugar (about 4 1/2 cups)
1 teaspoon vanilla extract
1/2 teaspoon fine salt

Equipment
Measuring cups and spoons
Rubber spatula
Electric hand or stand mixer
Mixing bowl