banana & pineapple loaves w/ pineapple buttercream

Ingredients

• 3 - eggs
• 2 cups sugar
• 1 cup canola oil
• 2 teaspoons vanilla extract
• 3 medium ripe bananas, mashed
• 3 cups flours
• 1 teaspoon salt
• 1 teaspoon baking powder
• 1/2 teaspoon cinnamon
• 1/2 cup chopped walnuts or pecans
• 1/2 cup pineapple, drained
• PINEAPPLE FROSTING
• 2 tablespoons unsalted butter, soft
• - pinch of salt
• 2 1/2 cups confectioners sugar, more if needed
• 2 tablespoons milk or 1/2 & 1/2, more if needed
• 1 teaspoon lemon juice
• 1/2 cup pineapple, drained