Spread sliced apples evenly in an 8-inch microwave-safe baking dish.
In a bowl, mix brown sugar, oats, flour, cinnamon, allspice, and melted butter until crumbly.
Sprinkle the topping evenly over the apples.
Microwave on high for 10–12 minutes, until apples are soft and bubbly.
P id=”instruction-step-5″>5. Let cool uncovered for 5 minutes before serving.
P id=”instruction-step-6″>6. Serve warm with vanilla ice cream or whipped topping.
