Ratatouille

Ingredients (make 8 cups): 1 tablespoon olive oil 4 (about 500g) zucchini (baby marrow), halved lengthways, cut crossways into 2cm-thick slices 2 red capsicums (bell pepper), halved, deseeded, cut into 2cm pieces 1 large (about 500g) eggplant, cut into 2cm pieces 1 brown onion, halved, coarsely chopped 4 garlic cloves, crushed 1 x 800g can…