Maple-Glazed Pork Belly Tart

Name: Maple-Glazed Pork Belly Tart
Prep time: 25 min
Cook time: 1 h
Total time: 1 h 25 min
Cuisine: American
Ingredients: 1 1/2 cups (225 g) unbleached all-purpose flour; 1 tsp baking powder; 1 pinch salt; 2 green onions, chopped; 1/2 cup (115 g) cold unsalted butter, diced; 3 tbsp (45 ml) milk; 1 lb (450 g) pork belly, cut into slices 1/2 inch (1 cm) thick; 1 tbsp (15 ml) olive oil; 2 large onions, thinly sliced; 6 tbsp (90 ml) maple syrup; 3 tbsp (45 ml) soy sauce