01 - Toss diced apples with lemon juice, sugar, and cinnamon in a medium bowl. Set aside.
02 - Whisk together flour, sugar, baking powder, baking soda, salt, cinnamon, and nutmeg in a large bowl.
03 - Whisk together milk, eggs, melted butter, and vanilla extract in a separate bowl.
04 - Pour wet ingredients into dry ingredients and mix gently until just combined. Do not overmix; a few lumps are fine.
05 - Fold the prepared apples into the batter.
06 - Heat a large skillet or griddle over medium heat and lightly grease with butter or oil.
07 - Drop 1/4 cup portions of batter onto hot skillet. Cook until bubbles form on surface and edges look set, about 2–3 minutes. Flip and cook other side until golden brown, about 2 minutes. Repeat with remaining batter, greasing pan as needed.
08 - Whisk powdered sugar, milk, and vanilla in a small bowl until smooth and pourable.
09 - Drizzle warm pancakes with glaze before serving.