Texas Lemon Shrimp

Ingredients

• 1 small onion, thinly sliced and separated into rings
• 1/2 cup chopped sweet red pepper
• 2 tablespoons olive oil
• 1/3 cup water
• 2 tablespoons lemon juice
• 4 garlic cloves, minced
• 1 to 3 teaspoons Cajun seasoning
• 1 teaspoon grated lemon zest
• 1/4 teaspoon salt
• 2 pounds uncooked medium shrimp, peeled and deveined
• 1 tablespoon cornstarch
• 2 tablespoons cold water
• Hot cooked rice, optional