Preheat the oven to Gas 2, 150°C, fan 130°C. Halve the tomatoes, season and place on a lightly oiled baking sheet, cut side up. Cook for 1 hour.
Cut the bagels in half, toast and spread them with a little cream cheese. Place 3 tomato halves on one bagel half, sprinkle with chives and top with another bagel half. Repeat with the other bagel.
Top each with another tomato half, a little cream cheese and garnish with the remaining chives.
1 of 5 a day per serving.
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