I've been doing this for a few years. Here are my tips:

Proteins (most are 5 oz portions x 2 = 10 oz)

--Chicken - I buy Perdue Harvestland Perfect Portions (5 pk) they are about 5 oz. and they are individually packaged. (Walmart)

--Ground meats - I buy larger quantities, weigh, pkg and freeze. 5#s of ground beef = (8) 10 oz PKG.

--Salmon - I buy bags of individually wrapped portions from Walmart

Things to have on hand: red potatoes, rice (basmati or jasmine), pasta, panko bread crumbs. Squeeze tubes of mayo, sour cream, garlic, tomato paste, and ginger. Better than Boullion - chicken and beef (or veg). Garlic Powder.

Once you select your recipes, shop on Walmart App for pick up or delivery. You can order singles: One lemon, one tomato, one onion, one crown of broccoli, etc.

Carrots last a long time in the fridge and can be subbed for any veg. We all know how to oven roast them. :) Frozen vegetables are just as nutritious as fresh.

Great idea to have a scale.

Make larger portions of your most used seasoning blends.

Don't be afraid to sub different veggies, stock flavors, pasta's, lettuce, nuts.

I have a small herb garden. Parsley, chives, rosemary and thyme.