Prep your leftovers: Chop the protein and vegetables into bite-size pieces so everything heats evenly. Break up clumps of rice or grains with your hands or a fork.
Sauté the aromatics: Heat olive oil or butter in a large skillet over medium heat.
Add the onion with a pinch of salt and cook 3–4 minutes until softened. Stir in garlic and cook 30 seconds until fragrant.
Bloom the spices: Add smoked paprika, thyme, and red pepper flakes. Stir for 15–20 seconds to wake up the flavors.
Add the rice and toast: Stir in the rice or grains.
Cook 2–3 minutes, letting some grains lightly toast. This brings back texture and prevents sogginess.
Moisten and steam: Pour in the broth and stir. Let the steam loosen any cold or firm bits.
If using peas or corn, add now. Cook 2–3 minutes.
Fold in protein and vegetables: Add the leftover meat or plant protein and vegetables. Cook, stirring gently, until warmed through, about 3–5 minutes.
Adjust heat so nothing scorches.
Finish with acidity and herbs: Turn off the heat. Squeeze in lemon juice and fold in fresh herbs. Taste and season with salt and pepper.
Serve and top: Spoon into bowls and finish with Parmesan or feta, a drizzle of hot sauce, toasted nuts, or a fried egg for richness.