# What you need:
→ Crust
01 - 7 ounces Maria cookies or digestive biscuits, crushed into fine crumbs
02 - 2.8 ounces unsalted butter, melted
03 - 2 tablespoons granulated sugar
→ Cheesecake Filling
04 - 21 ounces cream cheese, softened to room temperature
05 - 7 ounces granulated sugar
06 - 6.8 fluid ounces sour cream
07 - 3 large eggs
08 - 1 teaspoon pure vanilla extract
09 - Zest of 1 lime, optional
→ Guava Swirl
10 - 7 ounces guava marmalade or paste
11 - 2 tablespoons water for thinning, as needed
# Directions:
01 - Preheat oven to 320°F. Line a 9-inch springform pan with parchment paper and lightly grease the sides with butter.
02 - Process Maria cookies into fine crumbs using a food processor or place in sealed bag and crush with rolling pin. Combine crumbs with melted butter and 2 tablespoons sugar, stirring until evenly moistened.
03 - Press crumb mixture firmly and evenly into the base of prepared pan. Bake for 10 minutes until lightly set, then remove and cool for 5 minutes.
04 - In large bowl, beat softened cream cheese and sugar with electric mixer until smooth and creamy, approximately 2-3 minutes. Add sour cream and mix until fully incorporated.
05 - Add eggs one at a time, beating on low speed just until combined after each addition to avoid overmixing. Stir in vanilla extract and lime zest if using.
06 - Pour cream cheese filling over cooled crust and smooth the top surface with a spatula for even distribution.
07 - In small saucepan over low heat, gently warm guava marmalade with 2 tablespoons water until loosened to pourable consistency. If using paste, mash and stir until smooth and spreadable.
08 - Drop spoonfuls of warmed guava marmalade randomly over cheesecake batter. Using a knife or skewer, gently swirl through the guava and filling to create marbled pattern, being careful not to overmix.
09 - Bake for 50-55 minutes until outer edges are set but center still jiggles slightly when pan is gently shaken. Do not overbake.
10 - Turn off oven and crack door open approximately 4 inches. Allow cheesecake to cool in oven for 1 hour to prevent surface cracking from temperature shock.
11 - Remove cheesecake from oven and cool completely to room temperature. Refrigerate for minimum 3 hours or overnight before removing springform pan and slicing.