Cook 3 minutes, or until bubbles begin to form in center of pancakes. (vegetariantimes.com)
When the pancakes just begin to form bubbles on the surface, pipe in the cinnamon swirl filling: Starting at the center of the pancakes, squeeze the filling on top in a swirl (just as you see in a regular cinnamon bun). (foodnetwork.com)
Starting at the center of the pancake squeeze the cinnamon filling on top of the pancake batter in a swirl (just as you see in a cinnamon roll). (recipegirl.com)