Jemma O'Hanlon's Foodwatch - No-fuss salmon, vegetable and macaroni toss

Ingredients

• 250 g elbows, spirals or other small macaroni (half a 500 g pack)
• 1 tablespoon olive oil
• 1 onion, finely chopped
• 1 clove garlic, crushed
• 2 cups diced or sliced fresh vegetables (see note)
• 3 tomatoes, peeled, chopped or 1 cup tomato pasta sauce
• 400 g can pink or red salmon, drained
• 100 g (about 1 cup or 2 handfuls) baby spinach leaves