Baked Pimiento Cheese Tomatoes

Name: Baked Pimiento Cheese Tomatoes
Prep time: 20 min
Cook time: 15 min
Total time: 35 min
Cuisine: American, Southern
Ingredients: 3 large beefsteak tomatoes; Kosher salt; 2 cup shredded sharp cheddar cheese; 3/4 cup real mayonnaise; 1 4 oz jar diced pimientos, drained reserve 1 Tbsp juice; 2 Tbsp fresh chopped chives (divided); 1 tsp garlic salt; 1/2 tsp onion powder; 1/2 tsp ground mustard; 1/2 cup Panko breadcrumbs; 1 Tbsp butter (melted); 1 Tbsp grated Parmesan cheese; 1/4 tsp garlic salt