In a dutch oven or large deep skillet over medium heat, melt 1 tablespoon of unsalted butter. Add the sliced apples, dark brown sugar, granulated sugar, cinnamon, nutmeg, mace, ground cloves, salt, and lemon juice. Cook stirring frequently for about 10-15 minutes until the apples have started to slightly soften.
2 tablespoons Unsalted butter, cold, 1/2 cup Dark brown sugar, 1/4 cup Granulated sugar, 1 1/2 teaspoons Ground cinnamon, 1/2 teaspoon Ground nutmeg, 1/4 teaspoon Mace, 1/8 teaspoon Ground cloves, 1/4 teaspoon Kosher salt, 1 tablespoon Fresh lemon juice