Use plain Rice Chex or Corn Chex for puppy chow; most recipes recommend Rice Chex, but many people like mixing Rice and Corn Chex for texture. Wheat Chex are generally avoided because they are denser and not as light and crispy in this kind of sweet snack.

Best Chex Options

  • Rice Chex – Light, super crispy, and soaks up the chocolate–peanut butter coating really well, which is why it’s the most commonly recommended base for classic puppy chow.
  • Corn Chex – Slightly sturdier crunch and a bit more corn flavor; many home bakers either use all Corn Chex or do a half‑and‑half mix with Rice Chex.
  • Mix of Rice + Corn – Combining the two gives a nice mix of textures and is frequently suggested in forum and recipe discussions about “the best puppy chow.”

Chex To Avoid

  • Wheat Chex – Often called out as the worst choice for puppy chow because it is flatter, heavier, and less pleasant in a sweet, candy‑like mix.
  • Sweetened or flavored Chex – Most modern recipes warn against using already‑sweetened cereals because they can make the puppy chow too sweet once you add chocolate and powdered sugar.

Quick “House Standard” Recommendation

  • Use 6 cups of Rice Chex for a classic, light puppy chow that tastes like most nostalgic versions.
  • If you like extra crunch, swap 2–3 cups of that for Corn Chex while keeping the rest of your recipe the same.

In short, reach for Rice Chex first, add some Corn Chex if you want variety, and leave the Wheat Chex in the box for savory snack mix instead.