Soften butter at room temperature. Place in bowl of electric mixer and add remaining ingredients, except the steak. Refrigerate until ready to use.
To serve, grill steak to desired doneness. Place a spoonful of pecan butter on top and let partially melt; serve immediately.
Nutrition information per tablespoon flavored butter: calories: 183; protein: 0 ; carbs: less than 1 ; saturated fat: 11g ; monounsaturated fat: 6g ; polyunsaturated fat: 1g ; cholesterol: 50mg ; fiber: 1g ; sodium: 28mg.