I can tell you better if I know how many meals you need. You make a lot of meals with 100.00. I have written each section below with items listed in each section by what I would buy first.
Veggies:
romaine lettuce
cucumbers
Summer squash (yellow and zucchini)
Cauliflower
Bell Peppers
broccoli
Mushrooms
Meats
Chicken
Ground Beef
Pork
Dairy:
Shredded Gouda is the cheapest if they have it, if not, mozzarella or Italian blend.
Butter
HWC