Ingredients

• 1 tablespoon canola oil
• 1 onion peeled and chopped, peeled and chopped
• 2 cloves garlic, peeled and minced
• 2 Roma tomatoes, chopped
• 1/2 pound large shrimp, peeled, deveined and cut into 3 to 4 pieces
• 1 cup hot water
• 2 tablespoons oyster sauce
• 4 sayote, peeled, cored, quartered and sliced on a bias
• salt and pepper to taste