"Create a gluten-free, dairy-free, nut-free, shellfish-free, corn-free Citrus & Sage Chicken with Golden Beets recipe for 3 people, using imperial units. Keep it beginner-friendly, quick/easy where possible, and aligned with a minimal-processing, low-inflammation preference. Adapt the provided method into a safe, clear recipe with ingredients and steps. Avoid butter and any restricted ingredients. Include chicken thighs, golden beets, citrus, sage, leeks, shallots, garlic, coriander, black pepper, olive oil, salt, and grapefruit/orange juice as appropriate."