8 tablespoons (1 stick) salted butter, at room temperature, plus 1 tablespoon melted butter for brushing
3/4 cup sugar, plus more for sprinkling
2 large eggs, at room temperature
1/4 teaspoon almond extract
1 cup all-purpose flour
1 teaspoon baking powder
2 to 3 small to medium crisp apples (may substitute pears or stone fruit; see headnote)
1 tablespoon lemon juice (from 1 small or medium lemon)
Ground cinnamon