HEAT greased grill to medium-high heat.
Look for round, plump peaches that give slightly to gentle pressure. Peaches should have smooth, unwrinkled skins and a sweet aroma.
MIX sour cream, sugar and cinnamon; set aside.
BRUSH cut-sides of peaches with honey. Grill 6 to 8 min. or until softened, turning occasionally.
SERVE topped with sour cream sauce.
Top with fresh mints sprigs