For more tips on saving money at the grocery store, you can watch my discussion with Good Morning LA's Jean Martirez here. As I've mentioned, one of my favorite ideas is to use ingredients that are already at home. Martirez wanted to know what she could do with ketchup, garlic, and some old cheese. Luckily, we have allrecipes.com and foodnetwork.com to help us with that one. Allrecipes.com suggests baked spaghetti.