Camarones Enchilados / Cuban-Style Shrimp

2 cups medium-sized shrimp
2 chopped onions
2 chopped green peppers
4 mashed garlic cloves
1/2 tsp dried oregano
1/4 tsp cumin
2 cups chopped, very ripe tomatoes
2 Tbsp olive oil
Salt and Tabasco to taste

Sauté onions and green peppers in olive oil till soft. Add garlic and sauté 5 seconds. Add shrimp, salt, cumin and oregano and sauté two minutes. Stir in chopped tomatoes. Squeeze juice of one lemon over ingredients. Turn heat to medium high and stir 1 minute. Remove from range. Add a few drops of Tabasco and serve on a bed of white rice. Note: medium-sized shrimp should not be cooked over three minutes or they will become rubbery.