Salsa without chops

2 tablespoons canola oil 1/2 white onion, finely chopped 2 cups canned fire-roasted tomatoes (such as Muir Glen brand) 2 garlic cloves, minced 2 serrano[...]

6 plum tomatoes (about 1 pound) 3 garlic cloves, unpeeled 2 jalapeño peppers 1/3 cup chopped fresh cilantro 1/4 cup finely chopped onion 1 teaspoon fresh lime[...]