[
    {
        "$match": {
            "$expr": {
                "$ne": ["$foodStatus", "APPROVED"]
            }
        }
    },
    {
        "$lookup": {
            "from": "mastermealplan",
            "localField": "dishVariation",
            "foreignField": "mealPlan.dishVariation",
            "as": "mealData"
        }
    },
    {
        "$match": {
            "$expr": {
                "$gt": [{ "$size": "$mealData" }, 0]
            }
        }
    },
    {
        "$project": {
            "mealData": "$mealData.planName",
            "dishVariation": 1
        }
    }
]