Banana Pancakes with Pineapple and Creme Fraiche

INGREDIENTS

• 1/2 lemon, thinly sliced, seeds removed
• 3 finely chopped pineapple (from about 1 medium pineapple)
• 1 sugar
• 1 crème fraîch
• 2 all-purpose flour
• 1 kosher salt
• 2 large eggs
• 2 whole milk
• 12 (1 1/2 sticks) unsalted butter, melted
• 4 ripe bananas, peeled, sliced 1/4-inch thick