Combine gooseberries, shallot, jalapeno, garlic, vinegar, and 1 tsp. salt in a medium bowl. Let sit 10 minutes.
Stir in cilantro, parsley, and oregano. Using a fork, whisk in oil.
Spoon over shrimp, steak, chicken (whatever your favorite protein may be), or slather it on bread! (May be stored in an airtight container in the refrigerator for 48 hours. Bring to room temp before serving.)