1. Bring 3 3/4 L of water to a boil. Reduce to a simmer. Gradually add contents of chicken gravy package into water, whisking until smooth. Add garlic and herb seasoning. Season to taste with salt and pepper. Whisk until blended.
2. Place the potatoes in a stainless-steel mixing bowl. Drizzle 2 Tbsp of olive oil over the top of the potatoes. Season to taste with salt and pepper. Mix thoroughly. Spread onto a parchment-lined sheet pan in a single layer.
3. Place canola oil in a heated rondeau. Add carrots, onions and celery. Season to taste with salt and pepper. Sauté until the onions are translucent. Add the gravy, chicken, mushrooms and corn. Bring to a boil. Stir frequently. Simmer 10 minutes, or until the vegetables are tender.
4. Spread containers out on parchment-lined sheet pans. Scoop 567 g portions into the containers. Cover loosely with film wrap. Immediately place the tray on a rack and refrigerate. Let cool completely. After cooling, remove the film and place 4 biscuits on top of the stew. Sprinkle paprika on top of the biscuits before covering and storing in the refrigerator until needed.
Microwave: Remove lid. Cook on regular cycle 8-10 minutes, or until warmed through.
Oven: Remove lid. Place container on a metal sheet pan. Bake in in a heated 148°C [300°F] oven for 30 minutes, or until warmed through.