Theory
Theory is a spacious, industrial-chic restaurant inside the Oregon Museum of Science & Industry known for seasonal, locally sourced American fare. Vegan dishes like the Santa Fe bowl, Korean tofu rice bowl, and plant-inspired burger are notable, alongside a gluten-free bun and kid-friendly grilled cheese and pizza. Outdoor seating and accessible features complement the casual museum dining experience with moderate pricing and a welcoming atmosphere.
Vegan Friendliness
iPoor vegan options
- VEGAN OPTIONS Some · 3–5 dishes
- MENU Unclear in places
- STAFF Friendly
- PROTEIN tofu, 'chicken' strips
Some users reported staff aren't always sure about ingredients.
Others mentioned hidden animal ingredients in dishes labeled vegan — ask about sauces and broths.
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Two scores: Spinach Rating grades the food. Vegan Friendliness grades how easy it is to eat vegan here.
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