1Melt 2 tablespoons butter in a large saucepan. Add garlic and 1 tablespoon thyme; sauté 1 minute. Add broth, whipping cream, and 1 cup water. Bring to a boil; whisk in grits. Reduce heat to low; cook 10 minutes or until done, stirring occasionally. Season with salt and pepper. Keep warm.
Melt 2 tablespoons butter in a large skillet. Add celery and next 3 ingredients; sauté 30 seconds. Add shrimp, and cook 7 minutes. Remove shrimp from skillet.
2Add juice, and cook 6 minutes over medium heat or until most liquid has evaporated, stirring to loosen browned bits.
Reduce heat to low; whisk in remaining butter, 1 tablespoon at a time. Stir in lemon juice, tomato, and parsley. Serve over grits. Garnish, if desired. Verjuice is an acidic, sour liquid made from grapes. It's used like lemon juice or wine to heighten flavor