Always let them cool entirely, stirring them in the pot from the bottom up or transferring to a shallow pan so the steam is released, before refrigerating or freezing. Otherwise they spoil quite quickly.
You might need to buy:
- lard
Lighter Version: Omit the lard and the salt. Increase the oregano by 1 teaspoon and the garlic by 2 cloves. Add 2 teaspoons vinegar.
You might need to buy:
- oregano
- dried chile