Yucatan Marinade

1/3 c achoite paste (annato seed paste) (about 100 g)
1/4 c white wine vinegar
1/4 c olive oil
1/2 c fresh orange juice
1 small onion, finely diced
1 clove crushed garlic
2 tsp salt

Combine all ingredients, in a food processor if possible.  You can add some spices additional if you want.  Be sure the achoite paste is mixed in with the other ingredients well.

Source: adapted from Chevy's and Rio Bravo FreshMex Cookbook 10 Speed Press, Berkeley, 2000

Notes:  Yummy!