01 - Preheat the oven to 350°F. Grease an 8-inch round or square baking dish and line with parchment paper if desired for easy removal.
02 - In a large mixing bowl, combine the cottage cheese, Greek yogurt, sugar, lemon zest, lemon juice, vanilla extract, and salt. Mix well until completely smooth. For a silkier texture, use an immersion blender to eliminate any lumps.
03 - Add the eggs one at a time, mixing thoroughly after each addition to ensure proper emulsification and a uniform texture.
04 - Sprinkle the cornstarch into the mixture and stir until fully incorporated, ensuring no dry pockets remain.
05 - Gently fold in the fresh raspberries using a spatula, being careful not to crush them to maintain their shape and distribution throughout the bake.
06 - Pour the batter into the prepared baking dish and smooth the top with a spatula for even cooking.
07 - Bake for 38 to 42 minutes, or until the center is set and the edges are lightly golden. The center should still have a slight jiggle but not be liquid.
08 - Let the bake cool to room temperature, then refrigerate for at least 2 hours to allow it to set completely before slicing. This step is crucial for clean serving.
09 - Serve cold or at room temperature, garnished with extra fresh raspberries and a light dusting of powdered sugar if desired.