Strawberry Marshmallow Hearts

Name: Strawberry Marshmallow Hearts
Cuisine: American
Ingredients: 240 milliliters water (1 cup), divided; 20 grams powdered gelatine (2 tablespoons); 400 grams granulated sugar (2 cups); 160 grams corn syrup (1/2 cup); 1/4 teaspoon fine sea salt; 1/4 – 1/2 teaspoon strawberry flavoring; Pink gel food coloring; 15 grams freeze-dried strawberries, crushed (1/4 cup); Canola oil or nonstick cooking spray, for greasing tin and knife; 50 grams potato starch* (1/3 cup); 50 grams confectioner’s sugar (1/3 cup)