In 1-quart casserole, combine butter-flavored mix, lemon juice, rosemary, garlic powder and pepper.
Microwave at High for 30 seconds to 1 minute, or until very hot.
Remove thin strip of peel around center of potato.
Microwave at High for 4 minutes.
Add artichoke hearts.
Microwave at High for 6 to 10 minutes longer, or until artichokes are hot and potatoes are tender, stirring once.
Let stand, covered, for 2 minutes.