Tilapia with olive

1 tablepoons olive oil 1/4 cup chopped red onion 1 red bell pepper , seeded and julienned 1 yellow bell pepper , seeded and juilenned 1 green bell pepper ,[...]

1 tilapia fillet 1/2 lemon, juice of 3 tablespoons olive oil 1 teaspoon aceto balsamico (white, see note) 3 slices fresh ginger 1 garlic clove , sliced 1[...]