• Preheat oven to 400° F and line a baking sheet with parchment paper.
• In a large skillet over medium-high heat, brown the ground beef, breaking it up as it cooks. Drain and discard any excess fat.
• Stir taco seasoning into browned beef, followed by the water. Bring mixture to a boil, then reduce heat and allow to simmer until water evaporates.
• If you want your Mexican pizzas to be crispy, fry the tortillas as described below before assembling as directed in step 5.
• Spread a thick layer of refried beans on 4 of the tortillas, then top with browned ground beef.
• Next, place one of the remaining tortillas over the beef layer and then spread roughly 2 tablespoons of enchilada sauce over the top tortilla. Add shredded cheese and diced tomatoes. Repeat with remaining tortillas and toppings.
• Place the pizzas on non-stick baking sheet and put them in the oven. Bake
  until the cheese is melted, about 8-10 minutes.
• Remove from the oven, top with desired additional toppings. Serve warm and enjoy!

Making Your Mexican Pizzas Crispy

• Line a large rimmed pan with a layer of paper towels; set aside.
• In a large frying pan (big enough for 1 tortilla to sit flat), warm about 1/4 cup of olive oil over medium to medium-high heat.
• Briefly fry the tortillas one at a time, carefully turning them over with tongs after about 30 seconds of frying on the first side, or when tortilla has turned lightly golden brown.
• Once each tortilla has crisped up a bit, carefully lift the tortilla with tongs and let the oil drain back into the pan. Place the tortilla on the lined pan to drain. Repeat this process with remaining tortillas.
• Proceed with assembling and baking the Mexican pizzas as directed.