Name: Garlic onion tortilla cake
Prep time: 10 min
Cook time: 30 min
Yield: 16
Cuisine: Mexican
Ingredients: 160ml rapeseed oil; 900g small chopped red onion; 45g butter; 2 tbsp granulated sugar; 170g roasted garlic, from jar; 5 tbsp grated Parmesan; 60g mayonnaise; 3 tbsp minced coriander leaves; Salt and pepper; 12 flour tortillas; 2 tablespoons balsamic vinegar