01 -
Blend strawberries and sugar to a smooth puree. Transfer to a saucepan and cook over medium heat until bubbling, about 8 minutes. Reduce to medium-low and simmer for 30 minutes, stirring and scraping sides to prevent browning. Once thickened and deep red, pour into a bowl to cool; reserve 130 g for the batter. Chill remaining reduction for topping.
02 -
Preheat oven to 175°C. Grease and line an 8-inch springform pan. Combine butter, flour, powdered sugar, and salt until crumbly dough forms. Press into pan base in an even layer. Prick the crust thoroughly with a fork. Bake for 22–25 minutes, until edges just begin to brown. Cool on a wire rack; lower oven to 150°C.
03 -
Place a baking tray filled with 2.5 cm water on the oven’s lowest rack to create a humid baking environment.
04 -
Whisk together granulated sugar, cornstarch, and lemon zest, if using. In a stand mixer on medium-high, beat cream cheese until smooth. Add sugar mixture and mix on medium-low until fully combined, scraping bowl as needed. Add sour cream, 130 g strawberry reduction, and vanilla; mix until uniform. Lightly beat eggs, then blend into batter gradually at low speed.
05 -
Pour filling over the cooled crust in the prepared pan. Place pan on a large baking sheet and bake at 150°C for 20 minutes. Without opening the oven, reduce temperature to 110°C and bake for an additional 2 hours.
06 -
Turn oven off and let cake sit inside for 1 hour with the door closed. Remove and cool at room temperature for 2 hours. Wrap with plastic and refrigerate for at least 3–4 hours or overnight.
07 -
Unmold cheesecake. Spread remaining chilled strawberry reduction over the top. Garnish with fresh strawberries and flakey sea salt as desired. Slice with a warm, sharp knife for clean edges, wiping between cuts.