I depends the beans and their freshness. If soaked and not 2yo+, it’s less than 1 hour for most of them. 30 min is enough for azuki and chickpeas if soaked 48h.
There’s other tricks: various beans can be found in the form of instant powder or flaskes (1 min watering - no cooking) semolina (5 min watering - no cooking) and pre steamed (no watering - 10/20 min cooking). I bring those to hike on the mountain and use gaz only to make them hot. Mixed with cereals semolina, spices, herbs and oil/nuts its the perfect submit meal.
I cook more with feeling than recipe and I as I hike for multi days I try to vary the meals to avoid getting bored. My typical bag includes multiples zip bag with ingredients and I pick a few to make a meal:
- semolina of wheat, whole wheat, rye, lentils and chickpeas
- flakes-instant smashed potatoes / adzuki beans. Instant quinoa packed with prots but miss carbs.
- sesame seeds, sunflower seeds, pumpkin seeds
- dried seasoning algae, yeast, zaatar or thyme. Curry powder or other spice mix.
One of my favorite mix is 1/3 lentil semolina, 2/3 wheat semolina, sesame seeds and yeast. Mix together, add water and cover for a few minutes.
Edit: last year I used a food dehydrator to pack some sauces and cooked vegetables. Works great for the ones in think slices.
There’s other tricks: various beans can be found in the form of instant powder or flaskes (1 min watering - no cooking) semolina (5 min watering - no cooking) and pre steamed (no watering - 10/20 min cooking). I bring those to hike on the mountain and use gaz only to make them hot. Mixed with cereals semolina, spices, herbs and oil/nuts its the perfect submit meal.