Java 15 solution using PriorityQueue:

public static int cookies(int k, List<Integer> cookies){
    PriorityQueue<Integer> pq = new PriorityQueue<Integer>(cookies);
    if(isAllCookiesSweeterThanK(k,pq))return 0;

    int counter = 0;
    while(!isAllCookiesSweeterThanK(k, pq)){
        if(pq.size()==1)return -1;
        pq.add(pq.poll() + pq.poll()*2);
        counter++;
    }

    return counter;
}

private static boolean isAllCookiesSweeterThanK(int k, PriorityQueue<Integer> pq){
    Optional<Integer> ans = pq.stream().filter(i -> i < k).findFirst();
    if(ans.isEmpty())return true;
    return false;
}