This is me four years ago. I weighed 318 pounds. I had high blood pressure, adult-onset diabetes, and terrible back pain. I could only stand up for a few minuted before the pain made me want to go sit down again. This made me even less active.

It's a fallacy that it is harder to lose weight when you get older. What is really happening is that you are much less active, so your body is not processing the calories. I bought a kitchen scale, and I started to weigh myself every morning. I went to a lifestyle where I ate a lot of vegetables, then carefully added protein and fats to balance things out, nice and analog.

Meal 1:

Snapper, salsa, Parmesan, 541 cal/day

I botched the morning vegetable omelet as I get used to the OXO pan I just bought. I even forgot the sour cream. That keeps the calories down to 298 calories.
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With 368 grams of Snapper,  a cup of salsa, 80 grams of Parmesan cheese, and 21 chopped vegetables, the large lunch bowl has 1082 calories, for the two days worth of food I prepare.
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For evenings, I made a large 32-oz coffee with a cup of whole milk in it. This is 150 calories, and keeps down any evening cravings. The day's calories are 298 + 541 + 150 = 989. This is well under my 1200-calorie goal. Since the vegetable bowl is enough for two days, I eat the same things the next day.

Meal 2:

Beef Alfredo, 429 cal/day

For the next two days, I have the same morning omelet, though I change up the hot sauce. Today it's Cholula. With Kraft Aged Reserve cheese instead of sour cream, the calories come it at 449 this day.
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With 122 grams of beef, a 3/4 cup of Alfredo sauce, and 21 chopped vegetables, the large lunch bowl has 858 calories, for the two days worth of food I prepare.
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For evenings, I made a large 32-oz coffee with a cup of whole milk in it. This is 150 calories, and keeps down any evening cravings. The day's calories are 449 + 429 + 150 = 1028. This is well under my 1200-calorie goal. Since the vegetable bowl is enough for two days, I eat the same things the next day. It takes about 40 minutes to make the bowl for two days.

Meal 3:

Clam tuna kipper chowder, 550 cal/day

Like all days, I start with the vegetable omelet. I put cheese on this one as well, instead of sour cream. That makes it 449 calories. This keeps me fed all morning, I eat the lunch bowl around 2:30 PM, which keeps any evening hunger pangs down.

With one can of clam chowder, two cans of kippers, two cans of tuna, and 21 chopped vegetables, the large lunch bowl has 1101 calories, for the two-days worth of food I prepare.

For evenings, I made a large 32-oz coffee with a cup of whole milk in it. This is 150 calories, and keeps down any evening cravings. The day's calories are 449 + 550 + 150 = 1149. This is well under my 1200-calorie goal. Since the vegetable bowl is enough for two days, I eat the same things the next day.

Meal 4:

Pastrami, gravy, Parmesan, 590 cal/day

For the meal I prepared in the video, I started with the same omelet, even getting in a rut since I used Cholula sauce again. As usual, the cheese bumped the calories from 250 to 449. The fats in the cheese keep hunger pangs down all day.

With 311 grams of pastrami, one cup of beef gravy, 80 grams of Parmesan cheese, and 21 chopped vegetables, the large lunch bowl has 1180 calories, for the two-days worth of food.

Around 5:00 PM, I made a 32-oz decaf coffee with a cup of whole milk. This is 150 calories. The day's calories are 449 + 590 + 150 = 1189. This is just under my 1200-calorie goal. Since the vegetable bowl is enough for two days, I eat the same things the next day. Having these meals over the 8-day period allowed me to lose three pounds more.