Ingredients

1/2 small chopped yellow onion 

1 small chopped garlic clove 

1 small chopped jalapeno 

1 1/2 pounds cored plum tomatoes 

1 teaspoon white vinegar 

2 teaspoons chopped oregano 

3/4 teaspoon coarse salt 

Preparation

In a food processor, pulse onion, garlic, and jalapeno. Roughly chop tomatoes and add 2/3 of it to food processor. Pulse until chopped. Transfer to a bowl. Then pulse remaining 1/3 tomato until liquefied. Add to bowl with vinegar, oregano, and salt. Stir to combine.