If I went on a low-FODMAP diet, what might be some mainstays for me?

Snacks

• Meat snacks
• Nuts and seeds
• Dried fruits:   Raisins and cranberries. †
• Some cheeses [2]
  • Hard cheeses
  • Cottage cheese
  • Yogurt, especially Greek yogurt
• Pretzels, and pretzel snacks.
• Oranges
• Grapefruit

Meals

• Almost any meat
• Potatoes
• Natural peanut butter (Though you can add your own sweetners to it.)
• Lactose-free milk
• Gluten-free bread (TODO: Try some GF products, maybe they're not horrible?)
• GF pasta
  • Wheat pasta †
  • Gnocchi
• Canned tomato products   (eg. pasta sauce)
• Tortillas
  • Tortilla chips
• Sourdough bread (Good quality stuff, from the bakery section)
• Rice
• Oats
• Canned lentils

† In small quantities.

References

• reddit [1] [2]
• [3]
• [4]
• [5]