# What You'll Need:
→ Bread & Cheese
01 - 4 slices hearty sourdough or white sandwich bread
02 - 4 slices sharp cheddar cheese (approximately 4.2 oz)
03 - 2 slices Monterey Jack cheese (optional, approximately 2.1 oz)
→ Sriracha Mayo
04 - 3 tablespoons mayonnaise
05 - 1 to 1.5 tablespoons sriracha sauce, adjusted to taste
06 - 1 teaspoon fresh lime juice
→ Butter
07 - 2 tablespoons unsalted butter, softened
# How-To Steps:
01 - Combine mayonnaise, sriracha sauce, and lime juice in a small bowl until smooth, adjusting sriracha for desired heat.
02 - Spread a thin layer of softened butter on one side of each bread slice, which will become the sandwich exterior.
03 - On the unbuttered side of two bread slices, evenly layer cheddar and optional Monterey Jack cheese, then top with remaining slices, butter side out.
04 - Spread a generous coating of sriracha mayo over the buttered exterior sides of each sandwich.
05 - Preheat a nonstick skillet or griddle over medium-low heat.
06 - Place sandwiches mayo side down on skillet. While cooking first side, spread sriracha mayo on the remaining top side.
07 - Grill each side for 3 to 4 minutes, applying gentle pressure with a spatula until bread is golden and crisp and cheese fully melts.
08 - Remove sandwiches from skillet, let rest for 1 minute, then slice and serve warm.