Sweet Potato and Bacon Muffins

Name: Sweet Potato and Bacon Muffins
Cuisine: American
Ingredients: 1 cup tightly packed (250 g) orange sweet potato puree (see notes above to know how to do that); 1 cup + 1/3 cup (150 g) tigernut flour (or almond flour if you are not on AIP nor nut intolerant); 1/4 cup + 1 Tbsp (50 g) arrowroot (see notes below for substitutions); 1 Tbsp apple cider vinegar (or lemon juice); 4 Tbsp extra virgin olive oil; 1 cup (75 g) mushrooms (about 5 small mushrooms); 1/2 + 1/3 cups (100 g) onion (about one small onion); 1/2 cup (100 g) bacon cubes; 1 tsp baking soda; Pinch of salt