My Grandmother's Homemade Mexican Pizza

Ingredients

• 1 lb lean ground beef
• 1 packet taco seasoning
• ½ cup water
• 6 medium flour tortillas
• 1 can refried beans
• 1 can red enchilada sauce
• 1 cup shredded cheddar cheese
• 1 cup shredded pepper-jack cheese
• 1 Roma tomato, diced
• 1 green onion, diced
• 1 small can sliced black olives