Picnic is a popular spot in Barcelona for its Mediterranean brunch offerings, receiving high praise for its fresh ingredients and flavorful dishes. Approximately 95% of reviewers commend the food, with standout mentions of the Huevos Rancheros, Eggs Benedict, and pulled pork items, frequently described as "delicious," "fresh," and "well-prepared." About 70% of reviews highlight the excellent and friendly service, often with particular mention of staff members like Andy and Fernanda, though a few note that the bathroom cleanliness could improve. While nearly all diners enjoy the cozy ambiance and convenient location near the Arc de Triomf, some criticize the venue for being overcrowded, and 4% mention limited menu availability at times. The venue is recommended for its brunch experience, though a small percentage suggest improvements in coffee strength and beverage size.