Not all beans have to be completely off-limits when following a low FODMAP diet for IBS! 9 types of Monash-approved low FODMAP beans with portion sizes you can try adding or keeping in your diet include: Black beans (2 tbsp canned) Butter beans (1.5 tbsp canned) Chickpeas (1/4 cup cooked) Edamame (1/2 cup shelled, from frozen) Lentils (1/4 cup canned, drained) Lima beans (1/4 cup cooked) Pinto beans (2 tbsp canned, drained) Black-eyed peas (1.5 tbsp cooked) Green beans (15 raw or cooked) Click to read more about how low FODMAP servings of beans can fit into your diet with IBS.