Sangrita - cooking recipe

Ingredients

6 medium tomatoes, peeled and seeded
3 oranges, juice of
2 limes, juice of
1 small white onion, chopped
1 teaspoon sugar
salt
1 teaspoon cayenne pepper, to taste (A proper sangrita is quite spicy)
tequila (optional)

Preparation

Combine all ingredients except the tequila in an electric blender.
You may have to do this in batches, depending on the capacity of your blender.
Blend until smooth.
Serve chilled or over a little crushed ice.