I recently stopped by Sansotei Ramen on Yonge Street by myself to have a relatively quick meal. The place was small and there were little booths and despite being alone I felt welcomed and well attended to by their staff, unlike other experiences eating alone.
I ordered the Tonkotsu ramen which had black fungus, egg and green onion. There was no swirly fish ball thing but the broth was thick and flaourful. I ordered mine with thick noodles. The serving was just right (not too much not too little). If the Dundas location is too full. I recommend this one which is not too far of a walk from there!