In a large nonstick frying pan over medium heat, melt 2 tablespoon butter until bubbly. 2. While the butter heats, toss the shrimp and cornstarch in a medium bowl until well coated. 3. Add coated shrimp to butter in frying pan in and even layer, and cook 2-3 mins per side over until well browned. 4. Transfer cooked shrimp to a plate and allow to cool slightly (about 3-5 minutes). 5. While shrimp cools, toss chopped celery, ranch dressing, hot sauce and cheese in a medium bowl. 6. Add cooled shrimp, toss to combine, and serve on Boston lettuce leaves with sliced tomatoes, and additional hot sauce, if desired.