Ingredients

• 1 tablespoon unsalted butter , softened
• 1 tablespoon white sugar
• 2 tablespoons all-purpose flour
• 2 tablespoons oats
• ground cinnamon as needed
• 1 pinch salt
• ½ apple , peeled, cored, and thinly sliced
• 1 tablespoon brown sugar
• 2 teaspoons water

Instructions

1. 1 Combine butter and white sugar in a bowl using your fingers. Add flour, oats, one pinch cinnamon, and salt. Mix until crumbly.
2. 2 Grease a mug. Flatten 1/2 of the crumble mixture into the bottom of the mug to form a crust.
3. 3 Microwave crust for 30 seconds on High.
4. 4 Remove mug from microwave. Add 1 pinch cinnamon, apple slices, and brown sugar. Add water. Mix apples, brown sugar, and cinnamon together carefully without disturbing bottom crust. Pour remaining 1/2 of the crumble mixture on top.
5. 5 Microwave for 1 minute and 50 seconds on 60 percent power. Let cool about 1 minute before serving.

Nutrition per serving