Welsh Rarebit

Ingredients

• 2 tablespoons unsalted butter
• 2 tablespoons all-purpose flour
• 1/2 cup dark ale (like Smithwick's)
• 1 tablespoon Dijon mustard
• 1/4 teaspoon kosher salt
• 1/4 teaspoon cracked pepper
• 1/4 cup heavy cream
• 1 1/2 cups smoked Gruyere or sharp cheddar cheese, shredded
• pinch Cayenne or 2 drops of hot sauce
• 6 slices baguette or bread of choice ((sliced 1/4 inch thick))