Heat oven to 180ºC, line a tray with baking paper.
Place cherry tomatoes on baking tray and drizzle over 1 tablespoon of olive oil. Place in the oven and roast for 15 minutes or until softened and beginning to burst out of their skins.
Lightly toast bagels. Smear each half with a generous spoonful of hummus. Top with sliced avocado, roasted tomatoes, feta and basil leaves. Season with salt and pepper.