If you have never put toblerone in your muffins, stop what you're doing and go into the kitchen. Because we are making toblerone banana bread muffins. This chocolate-y banana muffin with melted toblerone in the middle is going to impress everyone in your family and make them ask for more.
Pre-heat the oven to 400 degrees. Line a 12-cup muffin pan with muffin liners, or alternatively spray it with vegetable spray.
Stir together the butter and oil in a large bowl. Whisk in the bananas and egg, brown sugar, molasses, and vanilla extract. Set aside.
Mix both flours, baking soda, cinnamon, nutmeg, and salt in a bowl until combined.
Gently fold in the dry ingredients into the wet ingredients in 2 batches while making sure to not over mix the batter.
Divide the batter equally in a 12-cup muffin pan.
Gently press 1 piece of Toblerone chocolate in the middle of each muffin cup upside down. You do not need to push it all the way down.
Bake until a toothpick inserted in the batter portion (not the chocolate) comes out clean, or 17-18 minutes making sure to rotate the pan halfway through the baking process.
Let it cool in the muffin pan for 5-10 minutes and serve.