Berry Cheesecake Crumble Bars

Ingredients (17)

• 2 sticks unsalted butter, cut into small chunks
• ¼ cup brown sugar
• ½ tsp. kosher salt
• 2 cups all purpose flour
• ½ cup berry jam (I used mixed berry but strawberry, blueberry, or raspberry would all be great)
• 2 cups blueberries
• 1 quart strawberries, hulled and sliced
• 12 oz. cream cheese, softened
• ¼ cup sour cream
• 1/4 cup sugar
• 2 eggs
• 1 tsp. vanilla
• 1 stick butter, melted
• 1 cup flour
• ¼ cup white sugar
• Zest of 1 lemon (optional)
• ¼ teaspoon salt