PAPPASITO'S CANTINA'S QUESO

1 1/2 pounds processed cheese (DO NOT USE Velveeta)
1 can green chiles (4 ot 5 oz) with liquid
1 tablespoon commercial minced garlic (type in jar)
1/2 cup diced onion
1/3 cup whole milk
1/2 cup diced ripe tomatoes (discard seeds)
1/4 teaspoon garlic salt

Melt cheese with milk and stir until blended. Add chiles with liquid, garlic, and onion, and stir until onions are transparent. Remove from heat and add tomatoes before serving.