Shell Programming and Scripting

#!/bin/bash

#Set variable for number of pizzas
read -p "How many pizzas would you like to order?  " VarPizza


#Loop until user enters vaild tag number
until echo $VarPizza | grep -sq "^[+]*[0-9][0-9]*$" 
do
read -p "Please enter a valid integer " VarPizza
done


#This is where I need help. This needs to loop however many times, based on the amount of pizzas someone orders. So if $VarPizza = 3....it needs to loop 3 times so they can choose what is on the pizza

while true [ $VarPizza ]
do
read -p "What toppings would you like" Toppings
done

while [[ 0 -lt $VarPizza ]]
do
  read -p "What toppings would you like" Toppings
   (( VarPizza = $VarPizza - 1 ))
done

until [[ "$VarPizza" = [1-9]+([0-9]) ]]