Mini Galette with Basil and Strawberries

Name: Mini Galette with Basil and Strawberries
Prep time: 1 h
Total time: 1 h
Cuisine: European, Italian, Mediterranean, French
Ingredients: 200 grams fresh strawberries, hulled and thinly sliced (about 1 1/2 cups sliced berries); 50 grams granulated sugar (1/4 cup); 6 grams cornflour/cornstarch (2 teaspoons); 15 milliliters lemon juice (1 tablespoon); One sheet pre-made shortcrust pastry, thawed according to package directions if frozen; 100 grams strawberry jam, or homemade strawberry compote (3 tablespoons); 6-7 large fresh basil leaves, finely chopped, plus more to garnish; 1 egg, lightly beaten; Demerara sugar, for sprinkling