Legumes cook fast. That one fact reorganizes everything in this collection.
Chickpeas from a can, red lentils that soften in twelve minutes, canned black beans that need nothing but heat — these ingredients dominate the 15-minute recipes because they are the plant proteins that clear the speed constraint. And they carry something meat-based fast cooking cannot match: fiber rides the same ingredient.
The numbers confirm it. 117 of the 15-minute vegetarian meals hit 14g fiber at the median — higher than the full vegetarian collection's 11g. Research pooling 62 trials and 3,877 people found fiber has a genuine but small effect on fullness and body weight. Here, 65% of those 15-minute recipes hit 20g+ protein and 10g+ fiber simultaneously — because legume protein IS fiber-rich protein. One ingredient, two macros.
The other half of this collection looks completely different. 106 five-minute meals built on yogurt, cottage cheese, eggs, and peanut butter — 89% requiring zero cooking, median 395 calories. Two pools, one search. The fast assembly layer handles snacks and breakfast. The 15-minute cooking layer handles lunch and dinner with 25g median protein, 14g median fiber — a concentration no competitor quantifies.
Vitamin C drives plant iron absorption — a verified 5.87% increase per meal. With 39% of this collection requiring zero cooking, the vitamin C in raw preparations stays intact. Speed serves the iron science, too.