Strawberry Crumble Bars

Name: Strawberry Crumble Bars
Prep time: 15 min
Cook time: 45 min
Total time: 1 h
Cuisine: European, British
Ingredients: • 1 2/3 cups (200 gr) all-purpose flour; • 1 cup (100 gr) oats; • 3/4 cup (150 gr) powdered sugar; • 1 lemon, zest finely grated; • 6 oz (170 gr) unsalted butter, melted; 14 oz strawberries, hulled and sliced; • 1 teaspoon lemon juice; • 1 1/2 tablespoons cornstarch