In a large bowl, whisk together whole wheat flour, all-purpose flour, yeast, and salt.
Add honey and warm water, stirring with a wooden spoon until all flour is incorporated and a sticky dough forms (do not knead).
Cover bowl tightly with plastic wrap and let rise at room temperature for 1 to 2 hours until doubled in size.
Preheat oven to 425°F and place a Dutch oven with its lid inside to heat for 30 minutes.
Carefully remove hot Dutch oven, grease the inside with olive oil, and scrape the risen dough into the pot.
Cover with lid and bake for 30 minutes, then remove lid and bake an additional 12-15 minutes until deeply golden.
Remove bread from pot immediately and cool on a wire rack for at least 30 minutes before slicing.