Add starter, milk, and honey to large bowl and stir until starter dissolves.
Add flour to the starter mixture 2 cups at a time, stirring to incorporate the flour. Stir the last 2 cups of flour in with your hands.
Cover bowl and let rest on counter overnight.
Punch down dough, spread flour on countertop and spread out dough on top of flour. Sprinkle baking soda and salt on top of dough. Knead to well incorporate the soda and salt.
If dough is sticky at all, add flour. Knead for 5 mins.
Flour surface again, and roll out dough to 1/2 inch thickness.
Use a 3-4 inch circular cutter, and cut out the muffins.
Take a baking pan and cover with parchment. Sprinkle cornmeal on top of parchment, and lay English muffins on top. Sprinkle tops of muffins with cornmeal.
Cover and let rise for about an hour, or until doubled in size.
Heat a griddle to medium heat, and butter and oil the griddle. Place English muffins on griddle, and let cook for 5-7 mins per side covered with tin foil.
Flip muffins and bake on other side for 5-7 minutes or until done.