Mexican Meat & Potatoes

• 1 pound ground beef, cooked and drained
• 5 potatoes, peeled and sliced thin
• 1/2 onion, diced
• 8 ounces can tomato sauce
• Water to cover
• 1 1/2 teaspoons salt
• 2 teaspoons onion powder
• 1 teaspoon garlic powder
• 2 teaspoons cumin
• Generous dash black pepper

Simmer, covered until potatoes are tender & most of the water has evaporated. Serve with toasted flour tortillas.