For years, Mary Grothe’s Sunday tradition was simple. She cooked salmon and vegetables and invited friends and family over to eat. Then she decided to set a much bigger table. “I love feeding people, and I had a vision one day to simply extend the table,” she said. That idea became Sunday Salmon, a Castle Rock restaurant where dinner is always free for anyone who walks in.
Sunday Salmon opened in January 2025 at 207 W. Wolfensberger Road and served nearly 20,000 meals in its first year. It’s on track to double that in 2026. Every Sunday there are two seatings, at 5 and 6 p.m. Dinner is served family-style at big community tables that seat 10 to 12 people, so you’ll probably be passing the sweet potatoes to someone you just met. Guests choose salmon or chicken. Everything is organic and gluten-free, and kids can get a bowl of pasta if they’d rather skip the fish…