Roasted Red Pepper Pimento Cheese

shredded sharp cheddar cheese

grated Vidalia or other sweet onion

roasted red peppers , chopped

mayonnaise

buttermilk , as needed

Creole or other spicy mustard )

to 1/2 teaspoon Cajun seasoning (like Slap Ya Mama ), or to taste, optional

Couple dashes hot sauce

Kosher salt and freshly cracked black pepper ,