From September 22 to 27, Ponta dos Ganchos resort in southern Brazil is inviting 10 guests to explore the cuisine of that country’s Emerald Coast. The six-day culinary immersion (from approximately $2,900 per couple), led by the resort’s head chef, Luis Salvajoli, features numerous activities and tastings. Among them is a boat tour of the coast’s clam and oyster farms, followed by a tasting of the area’s Santa Catarina oysters, known for their salty and vegetal tones, with Moët & Chandon Champagne on the r…