# Ingredients:
→ Bread & Cheese
01 - 4 slices hearty sourdough or white sandwich bread
02 - 4 slices sharp cheddar cheese (4.2 oz)
03 - 2 slices Monterey Jack cheese (optional, 2.1 oz)
→ Sriracha Mayo
04 - 3 tablespoons mayonnaise
05 - 1 to 1.5 tablespoons sriracha sauce, adjust to taste
06 - 1 teaspoon fresh lime juice
→ Butter
07 - 2 tablespoons unsalted butter, softened
# Instructions:
01 - Combine mayonnaise, sriracha sauce, and lime juice in a small bowl until smooth. Adjust sriracha to preferred heat level.
02 - Spread a thin layer of softened butter on one side of each bread slice; these will be the sandwich exteriors.
03 - Place cheddar and optional Monterey Jack cheese evenly on the unbuttered sides of two bread slices. Top with the remaining slices, buttered side facing out.
04 - Spread a generous layer of sriracha mayo over the buttered outside of each sandwich.
05 - Heat a nonstick skillet or griddle over medium-low heat.
06 - Place sandwiches mayo side down in the skillet. While the first side cooks, spread sriracha mayo on the remaining top sides.
07 - Grill each side for 3 to 4 minutes, pressing gently with a spatula, until bread is golden brown and crisp and cheese is melted.
08 - Remove sandwiches from skillet, let rest for 1 minute, then slice and serve warm.