I tried finding some number to corroborate your claims.
The proportion of food in the American budget has decreased from ~17% to ~13% between the 60's and now. In fact, it has decreased a lot for "at home food" and increased slightly for "dining out food"[1]. Food seems cheaper than ever - on average. The current price of a calorie sufficient diet is now roughly $0.44/day in the US [2] that sounds very low. Between the 60's and today; the average daily supply of calories per person has increased from ~3000 kcal to ~3800 kcal [3]. People eat more than ever - on average.
[1] https://www.ers.usda.gov/data-products/chart-gallery/chart-d... [2] https://ourworldindata.org/grapher/cost-calorie-sufficient-d... [3] https://ourworldindata.org/grapher/daily-per-capita-caloric-...
I really wanna believe you, but aren't you just looking at the past with rose tainted glasses. And if you are young; aren't you making up a past that doesn't even exist ?