Spinach and onion soup with tomato crostini | Reader's Digest Asia

Ingredients

• 1½ tablespoons (30 g) butter
• 1 tablespoon extra virgin olive oil
• 500 g large onions, thinly sliced
• 1 teaspoon caster sugar
• 2 cloves garlic, chopped
• 1 litre vegetable stock, preferably homemade rich
• 2 cups (120 g) chopped broccoli
• 2½ cups (125 g) English spinach leaves, torn
• salt
• pepper
• 8 thick slices of baguette
• 1 clove garlic, halved
• 2 teaspoons tomato paste
• 2 tomatoes, each cut into 8 wedges
• ⅓ cup (35 g) freshly grated parmesan