Steak and Bean Nachos

Ingredients

• Vegetable oil or cooking spray for the pan
• 10 cups mixed yellow and blue corn tortilla chips
• 12 to 16 ounces smoked brisket, thinly sliced or chopped
• 12 to 16 ounces sharp orange cheddar cheese, coarsely grated
• 12 to 16 ounces pepper Jack cheese or Jack cheese, coarsely grated
• 1 15-ounce can black beans, drained (optional)
• 1 bunch scallions (5 or 6), trimmed and thinly sliced
• 3 to 4 jalapeño peppers, thinly sliced crosswise
• 1 bunch fresh cilantro, rough chopped
• 1 2.25-ounce can sliced black olives, drained
• 2 cups of your favorite salsa
• 1 cup sour cream