Greek milk pie with phyllo (easy bougatsa)

Name: Greek milk pie with phyllo (easy bougatsa)
Prep time: 10 min
Cook time: 35 min
Total time: 45 min
Cuisine: Mediterranean, Greek
Ingredients: 7 oz (200 grams) phyllo sheets (about 1/2 package); 1/4 cup (50 grams) olive oil; 1 can (14oz / 400grams/) sweet condensed milk; 2 large eggs; 1 tablespoon vanilla; A pinch of salt; A pinch of grated tonka bean, optional; 1 cup (250 grams) whole milk; Cinnamon and confectioner’s sugar for serving; A 12x8 inches (30x20 cm) rectangular baking pan or a 10-inch (25cm) in diameter round pan