I want to try these but I don’t have potato …

Name: Soft Gluten-Free Dinner Rolls
Prep time: 15 min
Cook time: PT-480041H54M39S
Total time: PT-480041H54M39S
Cuisine: Gluten-Free
Ingredients: 1 cup light buckwheat flour (120g); 1/2 cup white rice flour (70g); 1/2 cup brown rice flour (65g); 1/2 cup tapioca flour/starch* (60g); 1/2 cup potato starch (70g); 1/2 cup seed or nut flour** (50-60g); 1/2 tablespoon fine grey sea salt (6g); 1 tablespoon coconut palm sugar (8g) (or maple syrup); 2 tablespoons psyllium husk (whole) (14g); 2 teaspoons active dry yeast (10g); 1 cup warm water (+ 2 tablespoons if necessary)***; 1 cup homemade hemp milk****; Olive oil or coconut oil (optional); Small bowl(s); Measuring cups; Measuring spoons; Scale if you want to weigh your ingredients; Large mixing bowl (clear is great); Sifter or sieve; Spoon(s); Baking sheet or 8 x 8-inch baking dish; Plastic wrap, silicon cover, or clean tea towel; Unbleached Parchment paper