Homemade muscadine jam is rich, tangy, and f ull of grape flavor. It's perfect for spreading on toast, stirring into oatmeal, or using in your favorite sandwiches.
Remove the pulp from the grape skin. Place pulp, including the grape seeds, in large stockpot and grape skins in a large bowl.
Place the grape skins in a heavy duty blender and blend until skins are finely ground. Transfer to a large saucepan.
Over medium-high heat, bring the grape pulps to a boil, then reduce heat to simmer and cook for 15 minutes, until pulp breaks down.
Over medium-high heat, bring the grape skins to a boil, then reduce heat to simmer and cook for 15 minutes, until skins have softened.
Remove the grap pulps from the cooktop and transfer pulp to a sieve placed over top of a large bowl. Stir the pulp mixture. The grape fibers and seeds will stay in the sieve, while the pulp juice will go into a bowl.
Return the grape pulp juice to a large stockpot. Set aside.
Strain the grape skin mixture if desired (not required).
Add the grape skin mixture, lemon juice, and lemon rind to the grape pulp juice. Stir to combine. Add the sugar and stir until sugar has dissolved.
Place the grape mixture over medium high heat and bring to a boil. Reduce heat and simmer for 1 to 1 ½ hours, until jam has thickened.