**Making the Sugar Cookie Crust:**
1. Preheat your oven to 350°F (175°C).
2. In a medium bowl, whisk together the flour, baking powder, and salt. Set aside.
3. In a large bowl, cream together the softened butter and sugar until light and fluffy.
4. Beat in the egg and vanilla extract.
5. Gradually add the dry ingredients to the wet ingredients, mixing until just combined. Do not overmix.
6. Press the dough evenly into the bottom of a 9-inch springform pan.
7. Bake for 12-15 minutes, or until lightly golden. Let cool completely.
**Whipping Up the Cheesecake Filling:**
1. In a large bowl, beat the softened cream cheese and sugar until smooth and creamy.
2. Beat in the eggs one at a time, mixing well after each addition. Do not overmix.
3. Stir in the vanilla extract and sour cream until just combined.
4. Pour the cheesecake filling over the cooled sugar cookie crust.
**Crafting the Sugar Cookie Crumble Topping (Optional):**
1. In a small bowl, combine the flour and sugar.
2. Cut in the cold butter using a pastry blender or your fingers until the mixture resembles coarse crumbs.
3. Stir in the almond extract.
4. Sprinkle the crumble topping evenly over the cheesecake filling.
**Baking Your Dreamy Cheesecake:**
1. Bake in the preheated oven for 55-70 minutes, or until the edges are set and the center is just slightly jiggly.
2. Turn off the oven and let the cheesecake cool completely in the oven with the door slightly ajar.
3. Once cooled, refrigerate for at least 4 hours, or preferably overnight.
**Decorating and Serving Your Masterpiece:**
1. Run a thin knife around the edge of the springform pan to loosen the cheesecake.
2. Remove the sides of the pan.
3. Decorate with sprinkles, whipped cream, and sugar cookie pieces, if desired.
4. Slice and serve.