This weekend in Chicago REE Taste of Greece Sat 25, Sun 26, noon–11pm. 100–400 S Halsted St (847-509-8050,greektownchicago.org). While Taste of Grease may describe most summer festivals, this celebration of Greek food, music and dancing will still sate your appetite. Ukrainian Days Festival Sat 25, Sun 26, noon–10pm. Smith Park, 2526 W Grand Ave (773-366-4025, uccaillinois.org). $5, kids under 13 free. Slurp some borscht at this annual celebration of Ukrainian independence that features traditional crafts, music and food.