Liv's Pumpkin Flax Muffins

Name: Liv's Pumpkin Flax Muffins
Prep time: 10 min
Cook time: 22 min
Total time: 32 min
Cuisine: American
Ingredients: 2 cups (240g) whole wheat flour; 1/2 cup (40g) ground flaxseed; 2 1/2 tsp baking powder; 3/4 tsp baking soda; 3 tsp ground cinnamon; 1/2 tsp ground cloves; 1/4 tsp ground allspice; 1/4 tsp ground cardamom; 1/2 tsp ground nutmeg; 1/4 tsp salt; 2 large eggs; 2/3 cup (120g) brown sugar, packed; 1/2 cup (90g) canola oil; 1 3/4 cup (350g) pumpkin puree; 1/3 cup (75g) unsweetened oat milk (or any milk); 1 tsp vanilla extract; Zest from 1 lemon