Heat a large skillet to medium/high heat for 2-3 minutes. Add beef to skillet and cook and crumble the ground beef until no longer pink; Drain grease. Stir in the taco seasoning mix and water and allow mixture to simmer for 10 minutes.
On a clean flat surface, lay one flour tortilla on a flat surface. Spread about 2 tablespoons of queso on the center of tortilla, Top with about 1/2 cup of taco meat. Top the meat with 1 tostada, Spread a thin layer of sour cream over the tostada shell. Top with lettuce, tomato, cilantro, a sprinkle of lime and shredded Mexican cheese.
To fold the crunch wrap, start with the bottom of the flour tortilla and fold the edge up over the center. Continue to work your way around, folding the flour tortilla over the center fillings. If there is a spot left open in the center, cut a piece of another flour tortilla and tuck it in the center, so it's fully covered. Repeat with all remaining tortillas, tostadas and fillings.
Heat a medium non-stick pan to medium heat; pray with cooking spray or drizzle with a light layer of oil. Place one crunch-wrap seam-side down onto the skillet. Cook for 2 - 3 minutes per side or until golden-brown and crunchy. Repeat process with all crunch-wraps. Serve hot!
If you can not find tostada shells, bake corn tortillas at 400F for 10 minutes until crispy.