Classic Easy Apple Crisp

Ingredients

• 6 medium tart apples (such as Granny Smith), peeled, cored, and sliced (~900g)
• 2 tablespoons granulated sugar (25g)
• 1 teaspoon ground cinnamon
• 1/4 teaspoon ground nutmeg (optional)
• 1 tablespoon lemon juice (15ml)
• 1 cup old-fashioned rolled oats (90g)
• 1/2 cup all-purpose flour (60g)
• 1/2 cup packed light brown sugar (100g)
• 1/4 teaspoon salt
• 1/2 teaspoon ground cinnamon
• 1/2 cup unsalted butter, cold and cut into small cubes (113g)