Peel, halve, and core an apple of your choice. Honeycrisp and Granny Smith are both great options for baking.
3. Step
Make vertical slices in each apple 1 cm (⅓ inch) thick, stopping 2 cms (¾ inch) from the bottom of each apple half.
4. Step
Baste with a mixture of 1 Tbsp melted butter, 1 Tbsp brown sugar, and ½ tsp cinnamon.
5. Step
Bake at 400°F (205°C) for 20 minutes.
6. Step
Optional crumble topping. Cut frozen butter into small nibs. Toss in a combination of 3 Tbsp AP flour and 1 Tbsp white sugar until flour and sugar clump up around butter.