Already investigated food pairs

The 'best efficiencies' are the respective highest amino acid efficiencies that can be obtained by combining the two foods of the pair.                                                                                                                                                                                                                                                            
Pair Best efficiency
Leavening agents, yeast-Wheat flour, white 0.73
Cauliflower, cooked-Nuts, walnuts 0.70
Beans, black-Carrots, raw 0.59
Seeds, pumpkin and squash seed kernels-Chickpeas (garbanzo beans, bengal gram) 0.73
Lentils, pink or red-Carrots, raw 0.43
Seeds, sunflower seed kernels-Oats 0.61
Amaranth grain, uncooked-Asparagus, cooked 0.73
Amaranth grain, uncooked-Cheese, ricotta 0.74
Amaranth grain, uncooked-Cocoa, dry powder 0.73
Peas, green-Oats 0.76
Spices, poppy seed-Oats 0.75
Amaranth grain, uncooked-Carrots, raw 0.73
Amaranth grain, uncooked-Beans, adzuki 0.73
Amaranth grain, uncooked-Buckwheat 0.73
Amaranth grain, uncooked-Bread, pita 0.73