Apple Streusel Cheesecake Bars: Silky - Just My Kitchen

Ingredients

• 1 1/2 cups all-purpose flour
• 1/2 cup unsalted butter, melted
• 1/4 cup granulated sugar
• 1/4 tsp salt
• 3 cups Granny Smith apples, peeled and diced small
• 2 tbsp lemon juice
• 3 tbsp brown sugar
• 1 tsp ground cinnamon
• 1 tbsp cornstarch
• 16 oz cream cheese, softened to room temperature
• 1/2 cup granulated sugar
• 2 large eggs, room temperature
• 1 tsp vanilla extract
• 1/4 cup sour cream
• 1/2 cup all-purpose flour
• 1/2 cup rolled oats
• 1/2 cup brown sugar, packed
• 1/2 tsp cinnamon
• 6 tbsp unsalted butter, cold and cubed