Preheat toaster oven or oven to 400 degrees
Drain water well from tuna. Add to large bowl, and flake tuna well with a fork.
Add carrots, celery, red onion, salt, pepper, onion powder, and garlic powder. Combine well. Add mayonnaise, mustard, red wine vinegar, hot sauce, and parsley. Fold ingredients into mixture.
Lightly toast English muffins. When done, lay each piece face up on flat surface. Spread half of cheese mixture equally on each muffin half. Top each muffin half with slice of tomato. Scoop equal amounts of tuna salad on each muffin half. Finish with remaining cheese
Carefully transfer muffins directly onto baking rack, and toast for 7-10 minutes. Remove carefully. ENJOY!