1 1/2 pounds russet potatoes
1 1/2 tablespoons vegetable oil
1/2 teaspoon garlic salt
1 teaspoon Mexican seasoning blend*
1 cup Mexican blend shredded cheese*
1/4 cup rinsed and drained canned black beans*
1/4 cup diced tomatoes
1/4 cup sliced black olives
1/4 cup sliced green onions
3 tablespoons canned diced green chiles
Salsa, guacamole and sour cream (optional)