Best Blueberry Surprise - How To Make Blueberry Surprise

Ingredients

• 6 oz. cold butter, cut into 1" pieces, plus more for pan
• 1 c. all-purpose flour
• 1/3 c. cornmeal
• 1 tsp. kosher salt
• 2/3 c. powdered sugar
• 1/4 c. toasted, chopped almonds
• 1/2 c. fresh lemon juice
• 1/4 c. water
• 2 tbsp. cornstarch
• 1 lb. fresh or frozen blueberries, thawed
• 1/4 c. powdered sugar
• 1 1/2 c. heavy cream
• 1 tbsp. cornstarch
• 8 oz. cream cheese, room temperature
• 1/2 c. powdered sugar
• 2 tbsp. sour cream
• 2 tbsp. toasted, chopped almonds