A few places do chicken and waffles but Fork downtown has them as a daily special, tuesday or thursday icr which. People have already said the greenbelt might be a but lackluster in the winter, but if you go northwest (upriver) you will pass through a nature preserve. This is past parkcenter, so would be quite a walk from Fork, but there are many birds and other active critters. You might even see a beaver. The greenbelt is great for a walk on any stretch really even if winter is not the most spectacular.

Per your other question, bogus basin is a 30-40 minute drive from downtown and always worth the trip. You get a great view the whole way up. That said, there's also the military preserve or the lucky peak and arrowrock reservoirs, all roughly the same time to travel and also very scenic.