Just a quick word about eating fat, as there are some subtleties here, and others will chime in I'm sure. If one is just beginning low carb and the initial goal is to lose weight, eating a good ratio of fat, protein, and minimal carbohydrates is a good start. However, if one has a high amount of body fat, the ratio of exogenous fat (fat consumed in one's diet) can be adjusted lower to encourage the burning of endogenous fat (fat on one's body). There are a couple helpful books that clearly recommend sound ways to manage this ratio:
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New Atkins for a New You: The Ultimate Diet for Shedding Weight and Feeling Great by Westman, Phinney, and Volek
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The Art and Science of Low Carbohydrate Living by Phinney and Volek
Both books provide practical guidelines from low carb/ keto experts with basic ways to get started. Also, don't worry about consuming less calories; rather, concentrate on consuming the right calories. That way, you can eat to satiety and start to manage hunger cravings more effectively. While it seems counter intuitive, since we've been conditioned that to lose weight we need to cut back on eating, using a low carb approach enables one to eat to satiety by eating the right calories. That's right, you don't need to count calories. Include a certain amount of healthy fat, usually found on the protein (meat) you eat, and eat healthy protein.
Use the Advanced Search function on this forum to search threads that discuss protein and fat ratios, but the two books I referenced are really where I would start with all this, as they provide the details. In addition, the DietDoctor.com website is a treasure trove of information for all things low carb and keto. Not only does it have a massive amount of sound guidance for starting on low carb, but it has the recipes for low carb, keto, paleo, etc. along with relevant videos, interviews, low carb experiences, and movies:
https://www.dietdoctor.com/
There is a free section, and there is a member section that has a small monthly charge with the first month free with no obligation. It's worth it to sign up and try it for 30 days without incurring the membership fee if you cancel before the end of the trial period.