Preheat oven to 350°F. Line a 9x9-inch baking pan with a parchment paper sling.
Make raspberry sauce by combining raspberries, sugar, water, and cornstarch in a small saucepan. Heat until raspberries break down and the sauce thickens slightly. Press through a fine mesh sieve. Cool completely.
1 Tablespon water, 1 ½ teaspoons cornstarch, 1 ½ cups fresh or frozen raspberries, 2 Tablespoons granulated sugar
Combine Oreos and butter. Press into the prepared pan. Bake for 8-10 minutes.
22 regular Oreos, 5 Tablespoons salted butter
Melt white chocolate in a microwave-safe bowl in 20 seconds bursts in the microwave, stirring well between each burst of heat. Beat cream cheese, sugar, and flour. Add lemon juice, vanilla, and salt. Add eggs, one at a time. Add melted white chocolate.
4 ounces white chocolate, 2 (8-ounce) packages full-fat cream cheese, ¾ cup (150g) granulated sugar, 1 Tablespoon all-purpose flour, 1 teaspoon lemon juice, 1 teaspoon pure vanilla extract, Pinch of salt, 2 large eggs, ¼ cup sour cream
Pour half of the cheesecake filling into the prepared crust. Drizzle with half of the raspberry sauce. Add remaining filling and sauce. Gently swirl in. Bake for 30-35 minutes. or 35 to 40 minutes?