Blueberry Crepes

Bahan-bahan (4 porsi)

• 3 cups blueberries (divided)
• ¼ cup granulated sugar
• 3 tablespoons water
• 1 teaspoon cornstarch
• 1 cup whipped cream (for serving)
• 2 eggs
• 1 cup milk
• 1 cup all-purpose flour
• 2 tablespoons vegetable oil
• 1 teaspoon granulated sugar
• 1 pinch salt
• 1 tablespoon butter