Txirene is known for a lively front bar that leads into a distinct, often "hidden" dining room. Approximately 30% of reviewers note it's frequently fully booked, advising reservations. The dining room ambiance is generally praised by over 40% as "minimal, elegant, and cosy." Food quality receives strong praise from about 75% of reviewers, described as "phenomenal," "delicious," and "incredible." Portions are frequently "huge" or "generous," noted by roughly 30%. Highly recommended dishes include stuffed artichokes, octopus, sirloin, salt-baked sea bream, and cheesecake, with the bread also consistently commended. Service is commended by approximately 60% as "outstanding," "friendly," and "attentive," with staff often offering helpful guidance. Conversely, about 20% report "shockingly slow" or "inattentive" service, including initial waits of 15-20 minutes, or instances of indifferent staff. A minority, around 15%, describe "terrible" or "disappointing" experiences, frequently questioning the Michelin Guide recommendation. Criticisms often include unfavorable seating (e.g., near bathrooms, poor lighting), lack of ambient music, and an "unremarkable" interior.