Dave Watson's side face the Foxes at their Belvoir Drive training centre (11am kick-off), where a victory could lift the Magpies up as high as second in the table.
Goals from Kelland Watts - his second in as many games - and Danish frontman Elias Sorensen earned United a 2-1 win over Brighton & Hove Albion last time out, at Little Benton three weeks ago.
And Sorensen, who joined last summer from HB Koge in his homeland, could again feature against Leicester on Saturday, with fellow forward Thomas Allan and wingers Owen Gallacher and Callum Smith also named in Watson's squad.
The young Magpies' next home game is set for Saturday, 6th May, against bottom club Wolverhampton Wanderers.