Dining events: Go Pi with Tuscany's $3.14 pizza

Tuscany's Pi day pizza

Celebrate national Pi Day during lunch Friday, March 14, with special pizzas priced at $3.14. Choose from Margherita with tomato sauce, mozzarella, basil and extra-virgin olive oil; salmino piccante topped with spicy salami, mozzarella, oregano and tomatoes; the salsicca made with Tuscan sausage, tomatoes and mozzarella; or a meatless option topped with a mix of vegetables.

Tuscany has suburban locations in Oak Brook and Wheeling. Tuscanychicago.com.

Hot potato at Q-BBQ

Load that baked potato up at Q-BBQ where they're celebrating one of BBQ's favorite side dishes. Through March 31, choose from six fully loaded baked potatoes served as half a potato for a side for $1.99 or a full tater la carte for $6.99. Flavors include the bacon mac-Q-roni; smoked lobster bisque; Southern fried chicken sweet potato; Alabama brisket; spicy Italian sausage; and the veggie potato.

Q-BBQ has suburban locations in Naperville and LaGrange. Q-bbq.com.

Lent at Barbakoa

Fulfill your Lenten responsibilities at Barbakoa, where Peruvian-style ceviches come three ways: shrimp from the Mexican gulf, passion fruit leche de tigre, morita chile, agave nectar and sweet potato; Ahi tuna with cilantro, serrano broth, avocado, red onion and grilled pineapple; and Amarillo mixto, a combo of shrimp, octopus, yellow aji, red onion and toasted Peruvian corn. Order one for $9, a pair for $17 or the trio for $24.

Barbakoa is at 1341 Butterfield Road, Downers Grove. (630) 852-2333 or barbakoa.com.