Creating these amazing pumpkin muffins is simple. Just follow these easy steps:

1. Preheat the Oven: Preheat your oven to 350°F (175°C) and line a muffin tin with paper liners or grease it.
2. Combine Wet Ingredients: In a large bowl, mix together the pumpkin puree, sugar, vegetable oil, eggs, and vanilla extract until well combined.
3. Mix Dry Ingredients: In another bowl, whisk together the flour, baking powder, baking soda, cinnamon, nutmeg, cloves, and salt.
4. Combine Mixtures: Gradually add the dry ingredients to the wet mixture, stirring gently until just combined. Do not overmix.
5. Add Optional Ingredients: If desired, fold in the chopped nuts or chocolate chips.
6. Fill Muffin Tin: Divide the batter evenly among the muffin tin cups, filling each about ¾ full.
7. Bake: Place in the preheated oven and bake for 20-25 minutes or until a toothpick inserted comes out clean.
8. Cool: Remove from the oven and allow the muffins to cool in the pan for about 10 minutes before transferring to a wire rack.

These steps will ensure that you create mouthwatering pumpkin muffins with incredible flavor and texture.