Instructions
- Slice tomato ¼” thick and sprinkle with 1/4 teaspoon salt. Place on paper towels and let drain 10 minutes.
- Spread mayonnaise over the outside of each slice of bread.
- Place 1 slice of cheddar on each slice of bread. Add tomato slices and basil. Top with gruyere and remaining slice of bread.
- Preheat a small skillet over low heat. Place mayonnaise side down in the skillet.
- Grill until golden, about 4-5 minutes. Flip and grill the other side until golden.