Reddit reviews Ball Collection Elite Pint Mason Jar with Lids and Bands 4PK Wide Mouth, Clear

http://www.amazon.com/Loew-Cornell-Ball-Mouth-Canning-Package/dp/B00KF5STQC
Something like that.

I found them on Amazon! I got these ones:

https://www.amazon.com/gp/product/B00KF5STQC/ref=oh_aui_detailpage_o02_s00?ie=UTF8&psc=1

I use a Primo Escali scale. I've had it for 5 or 6 years now (purchased it for following European recipes, and have repurposed it for food tracking more recently). It's held up great, no fuss, and the batteries last a really long time. I do think I paid a lot less than the $30 it is currently listed for on Amazon though.

Don't know anything about a Bullet Journal. A lot of people here use MyFitnessPal - personally, I prefer SparkPeople (lets you set a calorie range rather than a single daily target, easy to save favorite foods and groups of foods, easy to enter your own recipes, syncs with Fitbit, but has some social media and advertising aspects integrated with it that can be off-putting).

My boyfriend is on his own for food making choices, so I'm no help to you there! lol

And as for food containers, I prefer glass to plastic for its ability to be microwaved without staining or leaching. Wide mouth 2 cup mason jars work really well for soups/stews/chili, and since they are designed to be airtight they don't leak at all. And they are cheap! You do have to remove the lid to microwave, though.

For larger meals (salads, meat and veggie leftovers, etc) Pyrex and Rubbermaid sell glass containers with plastic lids in a wide variety of sizes and shapes. They're a bit more expensive than the canning jars but glass holds up well so it's worth the investment, IMHO.

Good luck!