Preheat the oven to 200C/fan 180C/gas mark 6.
Toss the pepper slices with the olive oil, place in a roasting tin and cook for 20-25 minutes.
Top your bagel with the hummus, peppers and spinach.
Sandwich on the lid and enjoy immediately or wrap up for lunch.
Tip: Make it quicker by using 50g each ready roasted peppers, sliced, from a jar.