Bringing food from the US to the UK in 2026 is subject to strict post-Brexit "Third Country" rules. You are generally strictly prohibited from bringing any meat, meat products, or dairy (including milk, cheese, and even sandwiches containing these items) into Great Britain. This includes popular US items like beef jerky or certain "Easy Cheese" products. However, you can bring a wide variety of processed and packaged plant-based foods. This includes bread, biscuits, chocolate, and confectionery (as long as they don't contain fresh cream), as well as packaged snacks like potato chips and nuts. You can also bring up to 2kg of honey or certain "composite" products like pasta or soup mixes, provided they don't contain meat. If you are caught with restricted items like a ham sandwich or a block of cheddar, customs will seize and destroy them, and you could face fines up to £5,000 for serious violations. Always declare "high-risk" items if you are unsure.