Step 1

Preheat oven to 220C/180C fan forced. Grease a 3cm-deep, 25 x 37cm (base size) baking tray with butter. Combine pork, beans, corn and sauce in a bowl. Line each long side of prepared tray with 3 tortillas and each short side with 1 tortilla, allowing tortillas to overhang sides. Place 1 tortilla in centre to cover base. Top with pork mixture and cheese. Place remaining tortillas, overlapping, on top of mixture. Fold overhanging tortillas over filling to enclose.

Step 2

Brush quesadilla all over with some of the melted butter. Place another tray and an ovenproof frying pan or saucepan on top to weigh down. Bake for 20 minutes. Remove pan and tray from top. Brush with the remaining [butter=Bake for 15 minutes or until golden and crisp.

Step 3

Combine tomato and onion in a bowl. Squeeze in 1 lime half. Season and toss. Cut remaining lime half into wedges. Cut quesadilla into squares. Serve with salsa, sour cream, coriander and lime wedges.