Um absolutely?
I can get a full meal in Texas for less than $10. I can have unlimited Indian food for $9. I can have a burrito the size of your face plus rice and beans and a drink for $12. And that's restaurants. If you grocery shop, you can make a full homecooked meal for less than $5. This isn't restricted to non-tourist areas, this is easily achievable anywhere you visit in Texas, or for that matter, anywhere outside an expensive restaurant in an expensive city.
In France I couldn't find a breakfast that was less than 7. You might say "Ohhhh well you went to the tourist areas!" That doesn't excuse anything when it comes to my comparison. You can find ready-made cheap food easily and anywhere in the U.S. if you want to. I don't have to trek to the suburbs to find a cheap breakfast in the U.S. If that's the case in France, then it's a valid reason for me to say that on many occasions, food is more expensive.