Chantal, This looks like a fantastic recipe. I usually bake …

Name: Grain-Free Sourdough Starter (GF/V)
Prep time: 15 min
Total time: 168 h
Cuisine: Plant-Based
Ingredients: 1-2 cups cassava flour* (Substitutions in notes); 1 piece fresh pineapple, 1 x 2-in (organic if you can)** (Read notes below); Water (filtered or spring)