No, homemade bread would be NOVA group. 3. The flour itself is group 2 (processed culinary ingredients.) Mixing the group 2 ingredient (flour) with group 1 ingredients (water, yeast, salt) and baking it makes it group 3 (processed food.)
If you added something like Xanthan Gum to your "homemade bread", that would make it group 4 (ultra processed foods.)
If you added something like Xanthan Gum to your "homemade bread", that would make it group 4 (ultra processed foods.)