No heat required. The entire batch assembles in 15 minutes and yields six servings of fiber-dense, resistant starch-loaded fuel. The wakame adds iodine, magnesium, fucoxanthin, and omega-3 fatty acids for near-zero calories. The dulse flakes replace salt. Eat this cold from the fridge — reheating degrades the RS3 resistant starch that the cooled black beans generate, and that RS3 is the entire point of keeping beans in the rotation.
Ingredients#
- 2 cans black beans, rinsed and drained
- 1 can corn, drained
- 1 cup cherry tomatoes, halved
- 1 jalapeno, diced
- 1/2 red onion, diced
- 2 tbsp dried wakame
- 1/4 cup fresh cilantro, chopped
- Juice of 3 limes
- 1 tbsp olive oil
- 1 tsp cumin
- 1/2 tsp dulse flakes
- 1 avocado (add day-of, not during batch prep)
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2 cans black beans, rinsed and drained 1 can corn, drained 1 cup cherry tomatoes, halved 1 jalapeno, diced 1/2 red onion, diced 2 tbsp dried wakame 1/4 cup fresh cilantro, chopped 3 limes, juiced 1 tbsp olive oil 1 tsp cumin 1/2 tsp dulse flakes 1 avocado (add day-of serving)
Instructions#
- Rehydrate 2 tbsp dried wakame in cold water for 10 minutes. It expands dramatically — expect roughly 1/2 cup of hydrated wakame from 2 tablespoons dry.
- Drain the wakame and roughly chop into bite-sized pieces.
- Combine black beans, corn, cherry tomatoes, jalapeno, and red onion in a large bowl.
- Add lime juice, olive oil, cumin, and dulse flakes. Toss to coat.
- Fold in the chopped wakame and cilantro.
- Transfer to deli containers and refrigerate. Do not add avocado until serving — it oxidizes within hours.
- When serving, dice 1/4 avocado per portion and add on top.
Resistant Starch Note#
Black beans generate RS3 (retrograde resistant starch) when cooked and cooled. RS3 feeds Bifidobacterium in the gut, blunts postprandial glucose spikes, and is significantly reduced by reheating. Eating this cold directly from the fridge maximizes the RS3 content. If you must warm it, keep the temperature low — RS3 begins degrading above 130°F.
Meal Prep Usage#
This pairs with batch proteins throughout the week:
- Tuesday lunch: Topped with shredded kombu chuck roast
- Wednesday dinner: Alongside miso chicken thighs
- Thursday lunch: With miso chicken and cilantro dulse crema
- Saturday lunch: Last serving with remaining miso chicken
Why These Ingredients#
Dried wakame is the ingredient that separates this from standard cowboy caviar. It delivers iodine (critical for thyroid function and chronically under-consumed), magnesium, fucoxanthin (a carotenoid unique to brown seaweed with anti-obesity properties in human trials), and omega-3 fatty acids. Two tablespoons dry adds all of this for under 5 calories.
Dulse flakes replace table salt. Same perceived saltiness, but you gain iodine, potassium, and iron. Half a teaspoon across six servings is subtle but additive across the week.
Black beans are the lowest-oxalate common legume and one of the best RS3 generators when cooled. Navy beans would provide similar fiber but carry 190 mg oxalate per serving. Black beans sit well below that threshold.
Hemp seeds (sprinkled on at serving) provide balanced omega-3/omega-6 and magnesium. They do not appear in the base recipe because they soften in liquid — add them fresh each serving.
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