Overview in viewport: https://i.imgur.com/cQ0tnkt.png
Top part of Particles properties: https://i.sstatic.net/ZwZNX.png
Outliner overview: https://i.sstatic.net/VzW7x.png
Look at the short sprinkles. They are clustered on the left side and right side of the donut. Maybe something with the Count settings? Not too sure.
Blender 2.92.0
Part 2 level 2 of the tutorial https://www.youtube.com/watch?v=aZ5ungDgFNc