Embodiments herein include gluten-free baked products such as crackers, gluten-free flour formulations, and related methods. In an embodiment, a cracker flour substitute composition is included having a starch blend including a native starch with 20-30% amylose content, a cross-linked starch and a pre-gelatinized starch with 1-5% amylose content. The composition can include between 0 and 20 ppm gluten. In an embodiment, a shelf-stable baked cracker is included. The shelf-stable baked cracker can include a flour substitute composition including a starch blend having a native starch with 20-30% amylose content, a cross-linked starch, and a pre-gelatinized starch with 1-5% amylose content. The composition can include between 0 and 20 ppm gluten. Other embodiments are also included herein.
