Preheat the oven to 350°F (175°C).
Take each dandelion flower and split the bud open to release the petals. Work through the inner ones first, then the outer layer. A few green bits are fine, but keep them minimal since dandelion greens turn bitter when baked. Sixty flowers should give you plenty.
Tip the buckwheat flour, baking powder, cinnamon and salt into a large bowl and stir to combine. For the wet ingredients, heat the heavy cream in a small pan over low heat until just warm enough to stir the honey through. Remove from heat, cool for a moment, then add the egg and whisk together.
Make a well in the flour and pour in the cream mixture. Mix until it's combined, and then scatter the dandelion petals over the top and fold everything together by hand (using a spatula). Don't use the mixer so you won't cut the petals.
Line a loaf pan with parchment paper and pour in the batter. Smooth it roughly with the spatula.
Slide the pan into the oven and bake for 55 minutes. Once you hit the 35-minute mark, cover the surface loosely with parchment to keep the crust from over-browning. A toothpick inserted in the middle should come out dry when it's done.
While the loaf is still hot, whisk a drizzle of honey into a splash of warm water (1/3 of the honey equivalent) and paint it across the surface. Decorate with dandelion petals or flowers.
Rest your dandelion bread on a rack for 15 minutes. Then slice and serve with whatever you love most on bread. Enjoy :)