Preheat the oven to 350 degrees F. Line a 9 x 5 inch loaf pan with parchment paper. In a large bowl, whisk together the olive oil, honey, eggs, yogurt, vanilla, lemon zest, and juice, mix until smooth and creamy. Add the all-purpose flour, almond flour, baking powder, and salt. Mix until just combined, being sure the batter is completely mixed. Stir in the poppy seeds. Pour the batter into the prepared bread pan. Bake for 40-45 minutes or until a toothpick inserted into the center comes out clean. Meanwhile, make the glaze. Remove the zest from the remaining lemon and the blood orange with a vegetable peeler in wide strips. Then thinly slice the strips. Alternately, you can just zest the lemon and orange on a Microplane. In a medium bowl, mix together the honey and about 1/4 cup lemon juice. Drizzle 1/2 the glaze over the warm cake. To the remaining glaze, add 1 tablespoon blood orange juice and the powdered sugar, whisk until smooth. Stir in 1/2 the lemon zest and 1/2 of the orange zest. If needed, thin the glaze by adding additional citrus juice, 1 tablespoon at a time, until drizzly. Pour the glaze over the cake, letting it fall down the sides. Let set 5 minutes, slice and enjoy warm or at room temp.: The moment the oven warms you should smell a faint dry heat, and the rack should be centered to ensure even browning. Preheating guarantees the batter springs properly when it hits heat, producing an even rise and set crumb. A common mistake is placing the pan in before the oven reaches temperature, which can cause uneven baking and sinking. If your oven runs hot, monitor the cake after 30 minutes to prevent overbrowning.
Line a 9 x 5 inch loaf pan with parchment paper.: The parchment creates a smooth release and prevents tearing the cake when you lift it out; it also aids even sides that brown consistently. Press the paper into the pan and leave an overhang on the long sides so you can later lift the loaf out easily. One frequent slip up is skipping parchment and risking the cake sticking and breaking apart when removed. If you don't have parchment, grease the pan thoroughly and dust with flour for release.
In a large bowl, whisk together the olive oil, honey, eggs, yogurt, vanilla, lemon zest, and juice, mix until smooth and creamy.: As you whisk, you'll notice the mixture go from separated to glossy and slightly emulsified, and the lemon aroma will become prominent. This emulsification traps tiny air bubbles that help create a tender crumb, and the combined liquids ensure even distribution of flavor. Overwhisking after adding flour can develop gluten, so stop once the batter is smooth. If the mixture looks curdled before it smooths, check egg temperature; very cold eggs can impede emulsification.
Add the all-purpose flour, almond flour, baking powder, and salt.: When the dry ingredients meet the wet, the batter will thicken and lose some shine, taking on a uniform texture. The flours provide structure while the baking powder aerates during baking. Stir just until you can't see streaks of flour, then stop; overworking creates a dense loaf. If you see pockets of dry flour, fold gently with a spatula rather than vigorous stirring to avoid toughness.
Mix until just combined, being sure the batter is completely mixed.: The batter should be thick but pourable, dotted with poppy seeds and glossy from the olive oil . Complete mixing ensures even crumb and flavor distribution. A common error is leaving lumps of flour near the sides of the bowl which can bake into dry pockets; scrape the bowl once or twice and fold gently to incorporate. If batter seems too thick, a tablespoon or two of milk or additional yogurt can loosen it slightly while preserving texture.
Stir in the poppy seeds.: As you fold the poppy seeds in, note the small, dark flecks peppering the pale batter, promising both texture and visual contrast. They won't change the batter's moisture but will lend tiny crunchy bites and a mild nuttiness. Avoid overmixing at this step, as vigorous stirring can break down the air bubbles you created. If the seeds cluster, use a gentle folding motion until they are evenly dispersed.
Pour the batter into the prepared bread pan.: The batter should slide off the spatula in a thick ribbon and settle evenly in the pan; level it with a spatula for consistent rise. Smooth top ensures even crust and an attractive loaf. A mistake people make is filling pans unevenly, which leads to domed or lopsided loaves. Tap the pan gently on the counter to release large air pockets before baking.
Bake for 40 to 45 minutes or until a toothpick inserted into the center comes out clean.: As the cake bakes you'll notice the kitchen fill with citrus and honey aromas, and the top will turn a light golden color. The internal temperature should rise steadily, and the center will spring back slightly to the touch when done. If you underbake, the center will be gummy and collapse, while overbaking dries the crumb. If the top browns too quickly, tent with foil for the remaining bake time.
Meanwhile, make the glaze.: While the cake bakes the glaze process keeps you productive and fills the kitchen with fresh citrus scent. Using a bowl, whisk honey with about 1/4 cup lemon juice until glossy and slightly runny; this first drizzle will soak into the warm loaf for shine and moisture. The key is balancing thickness so it soaks in without making the cake soggy. If your glaze is too thin, it will run off the sides; if too thick it will sit on top and not penetrate. Adjust consistency with juice or powdered sugar, one tablespoon at a time.
Remove the zest from the remaining lemon and the blood orange with a vegetable peeler in wide strips.: Peeling wide strips produces striking ribbons that you can slice thinly for garnish, and they release aromatic oils that brighten the glaze. Thin slices will soften as they sit in glaze, becoming jewel like. Avoid removing too much pith, which tastes bitter, and if you prefer, use a Microplane for fine zest. A common oversight is using the white pith, so take care to use mostly colored zest.
Then thinly slice the strips.: Thin slices of zest become tender and almost candied when combined with glaze, adding both visual elegance and chewy texture. When you add these to the glaze they release extra perfume and a hint of bitterness that balances the sugar. If slices are too thick they'll remain fibrous; slicing thin ensures they soften and integrate. Keep slices uniform in width so they present nicely on the finished cake.
In a medium bowl, mix together the honey and about 1/4 cup lemon juice.: This creates your base glaze, glossy and fragrant, ready to be split for layering. The acid from the lemon keeps the honey fluid while also cutting sweetness so the cake tastes fresh. If the mixture separates, whisk vigorously and add a small pinch of powdered sugar to stabilize it. Too much lemon will thin the glaze excessively, so add cautiously.
Drizzle 1/2 the glaze over the warm cake.: Pouring half the glaze while the cake is warm lets it sink into the surface and keeps the crumb moist, adding a sticky sheen. You will hear a faint hiss as warm steam instantaneously interacts with the cool glaze, and the cake will glisten. Avoid pouring all the glaze at once, which can pool and make the loaf soggy; saving some allows for a secondary, more decorative glaze layer.
To the remaining glaze, add 1 tablespoon blood orange juice and the powdered sugar, whisk until smooth.: Adding blood orange juice deepens color and adds a sweet berry like note, while the powdered sugar thickens the glaze to a pourable, coatable consistency. Whisk until silky; the texture should cling to a spoon and drip slowly. If the glaze is lumpy, sift the sugar before adding. If it becomes too stiff, whisk in a teaspoon of citrus juice until it loosens.
Stir in 1/2 the lemon zest and 1/2 of the orange zest.: These zesty bits suspend in the glaze, adding bursts of bright oil and pretty flecks on the cake surface. They will soften slightly but still provide aromatic pops and visual contrast once the glaze sets. Avoid adding too much zest, which can make the glaze bitter from pith. If you find bitterness, reduce the amount of zest next time.
If needed, thin the glaze by adding additional citrus juice, 1 tablespoon at a time, until drizzly.: You want the glaze to flow slowly off the spoon and create thin ribbons down the sides of the loaf. Adding juice a tablespoon at a time prevents over thinning. The right consistency will gloss the cake without running off entirely. If you make it too thin, whisk in a bit more powdered sugar to regain body.
Pour the glaze over the cake, letting it fall down the sides.: As the glaze lands, it should bead and run in pretty ribbons, creating an inviting, glossy finish. Let it settle for a few minutes so it adheres to the crumb and forms a light crust. A common slip is glazing a cold cake, which prevents absorption and leaves the glaze sitting only on top. Warmth from the loaf draws the glaze in and improves flavor melding.
Let set 5 minutes, slice and enjoy warm or at room temp.: Allowing a short rest time helps the glaze set slightly and prevents the slices from tearing when cut, while still offering the pleasure of a warm, slightly gooey interior. Slicing too soon can smear the glaze and compress the crumb. Use a sharp serrated knife and a gentle sawing motion for clean slices.