I eat one light meal a day, and what I consider some snacks (grazing).

Breakfast is 18 raw almonds and a couple of cups of tea

Mid morning a Grass-Fed whey shake

Then lunch, which is my main meal. It might be some egg whites with cheese and bacon, a grass-fed cheeseburger in a "keto bagel" and perhaps a veggie.

A cup of coffee about an hour later with one square of 85% chocolate

Later on around 5 I'll snack on a small handful of roasted nuts or some nut butter

And around 10 another light snack. Maybe some olives, cheese, or keto ice cream.

I found that grazing works better for me.

You have to find what works for you.

There are lots of keto snack food at netrition.com and amazon

Watch your total calories and your carb/protein/fat ratios.

Good luck,
Bob