nectarine brown butter buckle

INGREDIENTS

• 3/4 cup (6 ounces or 170 grams) unsalted butter, plus additional for greasing pan
• 1 1/2 cups (6 3/4 ounces or 190 grams) all purpose flour
• 2 teaspoons (9 grams) baking powder
• 3/4 teaspoon (4 grams) salt
• Pinch of allspice
• 1 cup (7 ounces or 200 grams) sugar
• 2 large eggs
• 2/3 cup whole milk or buttermilk
• 1 1/2 pounds nectarines, halved, pitted and cut into 1/2-inch thick wedges (about 4 cups)
• 1 tablespoon lemon juice
• Reserved butter from cake (above)
• 1/2 cup (3 1/2 ounces or 100 grams) sugar
• 1/2 cup (2 1/4 ounces or 64 grams) all purpose flour
• 1/4 teaspoon cinnamon
• Pinch of salt