FOR THE CAKE: – 1 cup (120g) all-purpose flour – 2/3 cup (133g) granulated sugar – 1/3 teaspoon baking soda – 1/4 teaspoon ground cinnamon – 1/8 teaspoon salt – 1 large egg, beaten – 1/2 cup (118ml) vegetable oil – 1/2 teaspoon vanilla extract – 1/3 cup (80g) crushed pineapple in juice, undrained – 2/3 cup chopped ripe bananas (about 1 medium banana) – 1/3 cup (40g) chopped pecans, toasted (plus more for garnish) FOR THE FROSTING: – 5 ounces (141g) cream cheese, softened – 1/3 cup (75g) unsalted butter, softened – 2 & 1/2 cups (275g) confectioners’ sugar – 1/2 teaspoon vanilla extract – toasted pecans, for garnish