Smoky cheese, pepper & chipotle Mexican quesadillas

Ingredients

• 1 onion large, sliced into thin wedges
• 1 yellow bell peppers or orange. red, seeded and sliced into thin wedges
• 1 clove garlic crushed
• chilli paste chipotle, Gran Luchito makes a great one
• 4 tortillas large, 15-20cm
• 1 1/2 cups grated cheese I used cheddar but softer cheese would melt better
• sunflower oil for frying and roasting
• salt
• pepper
• seasoning