• Using a large skillet combine together ground beef and taco seasoning. Cook until the ground beef is done.
• While the ground beef is cooking, slice the tomato, avocado and shred the lettuce.
• Drain any excess fat from the ground beef.
• Generously butter slices of bread.
• Spread cooked ground beef on slice of bread, top with the shredded cheese.
• Place buttered side down in frying pan and cook over medium heat until bread is nicely toasted and cheese is melted.
• Add tomato slice, avocado and shredded lettuce. Top with bread slice.
• Flip and toast the other side until golden brown.

Alternative cooking method using the oven.

• Turn oven to broil. Oven rack should be in second highest position.
• Start with grilling the sandwich on stovetop. Place one slice of bread, topped with cooked ground beef and shredded cheese in an oven proof skillet.
• Fry until bread is toasted. Transfer skillet to the oven and broil for a few minutes to completely melt the cheese.
• Add the tomato, avocado slices and shredded lettuce. Top with the second slice of bread (butter side up) and toast under the broiler until bread is golden brown.