loaded shepherd's pie

medium sized russet potatoes - skinned, chopped into large chunks

milk -

butter - (1/2 stick)

sour cream -

cheddar cheese - divided

slices bacon - cubed

ground beef - i used 93%

onion - chopped

zucchini - medium sized, cut into cubes

garlic cloves - minced

corn -

flour -

beef stock -

scallions - chopped