COOKING DEMO: Gardening and cooking writer Adrienne Cook and nutritionist and cooking instructor Danielle Cook share ideas for cooking with tomatoes. Noon and 12:45 p.m. Session repeats July 25, noon and 12:45 p.m. Free. U.S. Botanic Garden, 100 Maryland Ave. SW. usbg.gov.
WINE DINNER: Five courses paired with wines from Sonoma County. 6:30 p.m. $89.95, including tax and gratuity. Russia House Restaurant, 724 Pine St., Herndon. 703-787-8880. www.russiahouserestaurant.com.
ROOFTOP PARTY: “East meets West” theme with sushi, sake, seviche and pisco cocktails. 6-9 p.m. $65, including tax and gratuity. Del Campo, 777 I St. NW. 202-289-7377. delcampodc.com.
COCKTAIL CLASS: Mixology class led by Angel Cervantes, followed by canapes and a three-course meal with cocktail pairings. 6 p.m. $150, not including tax and gratuity. Rye Bar, 1050 31st St. NW. 202-617-2424. www.theryebar.com.
COOKING CLASS: Chef Gerard Pangaud leads a class on the classics of French cuisine. 11 a.m. $85. Hill Center at the Old Naval Hospital, 921 Pennsylvania Ave. SE. 202-549-4172. www.hillcenterdc.org.
COOKING CLASS: Techniques and recipes for backyard grilling. 11 a.m.-2 p.m. $69. Open Kitchen, 7115 Leesburg Pike, Falls Church. 703-942-8148. www.openkitchen-dcmetro.com.
DC SCOOP: Ice cream competition with samples and sales from area shops, plus demonstrations and raffles. 1-4 p.m. Free. Union Market, 1309 Fifth St. NE. www.unionmarketdc.com.
THAI VILLAGE: Food from Thai restaurants, musical performances, art exhibitions, food demonstrations and traditional Thai massage. 11 a.m.-6 p.m. Free. Grace Church, 1041 Wisconsin Ave. NW. www.thaiembdc.org.
BRAINFOOD GRILL-OFF: Fundraiser featuring a chef competition, food, drinks and beer. 3:30-6:30 p.m. $75. Union Market, 1309 Fifth St. NE. 301-529-2679. www.brain-food.org.
FARM DINNER: Five courses with wine, using ingredients from the farm. 6 p.m. $125, including tax but not gratuity. East Lynn Farm, 19955 Airmont Rd., Round Hill, Va. www.capitaltaste.com.
MASON DIXON MASTER CHEF TOURNAMENT: Single-elimination competition. A portion of the proceeds goes to Meals on Wheels of Central Maryland. 5:30-9 p.m.; Tuesday, 5:30-9 p.m. $35 ($25 in advance), including tax; $55 ($45 in advance) for judging experience. Inn at the Colonnade Baltimore, a Doubletree Hotel, 4 W. University Pkwy., Baltimore. www.masondixonmasterchef.com.
FARMHOUSE SUMMER SUPPER: Dishes feature local fruit and vegetables. 6:30-9 p.m. $59, not including tax and gratuity. Open Kitchen, 7115 Leesburg Pike, Falls Church. 703-942-8148. www.openkitchen-dcmetro.com.
PROGRESSIVE DINNER: Fundraiser for the Olney Farmers & Artists Market with stops at four Olney restaurants. 6 p.m. $65. 202-257-5326. www.olneyfarmersmarket.org.
COOKING CLASS: Cuisine from the Campania region of Italy. 11 a.m.-2 p.m. $85. Osteria Marzano, 6361 Walker Lane, Suite 140, Alexandria. 703-313-9700. www.osteriamarzano.com.
GROW IT EAT IT OPEN HOUSE: Classes and demonstrations on tomatoes, seeds, tool care and food preservation, as well as seed and recipe exchanges. 8:30 a.m.-1 p.m. Free. Agricultural History Farm Park, 18400 Muncaster Rd., Derwood. 301-590-9638. extension.umd.edu/
BEER DINNER: Four-course meal with domestic and foreign brews. 7 p.m. $75, not including tax and gratuity. WK Hearth, 130 Purcellville Gateway Dr., Purcellville. 540-751-9919. www.thewinekitchen.com/hearth.
Event listings can be submitted online only at www.washingtonpost.com/gog/talk-to-us.html, at least 14 days in advance.