Open a direct deposit to your savings account (or IRA or 401K) from your paycheck. You will never miss the amount gone, and before long, you will have a cushion in your life.
I shop 3 -4 times a week now instead of once a week . That way I have the freshest produce and meats and my meals are prepared with optimal products. Using ingredients made from scratch are healthier and tastier. My family has noticed the difference in quality too.