# 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
# Steps:
01 - Combine mayonnaise, sriracha sauce, and lime juice in a small bowl until smooth. Adjust sriracha to desired heat level.
02 - Spread a thin layer of softened butter on one side of each bread slice; these will form the sandwich outsides.
03 - Place cheddar and Monterey Jack cheese evenly on the unbuttered side of two bread slices.
04 - Top with remaining bread slices, buttered side facing out, creating two sandwiches.
05 - Spread a generous layer of sriracha mayonnaise on the buttered exterior sides of each sandwich.
06 - Heat a nonstick skillet or griddle over medium-low heat until hot.
07 - Place sandwiches mayo side down onto skillet. As the first side cooks, spread sriracha mayo on the top side.
08 - Grill sandwiches for 3 to 4 minutes per side, pressing gently with a spatula, until bread is golden and cheese melted.
09 - Remove sandwiches from skillet, let rest for 1 minute, then slice and serve warm.