OMG is this good!  Try it and make sure you've got chips on hand.

• 1 lb. green tomatoes, chopped
• 1 garlic clove, minced
• 1-3 TBLS cilantro, chopped (or to taste)
• ¼ cup onion, diced
• Poblano pepper, chopped finely, to taste
• ¼ teaspoon ground cumin, or to taste
• Salt and pepper to taste
• 1-2 TBLS lime juice, or to taste
• Chili powder or cayenne, if desired

Place all ingredients in a blender/food processor and puree until desired consistency. Alternatively, you could chop everything if you wanted a chunkier consistency.