Instructions

1. In a large bowl, stir together water, maple syrup and yeast. Set aside for 5 minutes allowing yeast to bloom. If mixture does not become frothy like the head on a beer, yeast may be inactive and you need to start over with a new pack. With a wooden spoon, stir in oil before stirring in flour, cornmeal and salt. Turn out dough on to a lightly floured surface and knead until smooth and firm, about 2 minutes.
2. Place dough in a clean, lightly oiled bowl and turn to coat. Cover bowl with plastic wrap or a clean kitchen towel and set aside in a warm corner to rise until almost doubled in size, about 1 hour. Punch down dough, cover bowl and let rise again another 30 minutes. Turn dough out onto a lightly floured surface and cover dough with a towel and let rest for 20 minutes.
3. Preheat barbecue to medium-high heat only on 1 side. Lightly oil grill. Combine juice and zest of 1 lemon, ricotta cheese and pepper in a bowl and set aside. Thinly slice remaining half lemon and brush slices lightly with olive oil. Grill over hot side of grill until lightly charred, about 1 minute per side. Remove from barbecue and set aside.
4. Dust work surface with flour and roll or stretch dough out into a 16 x 8-in (40 x 20 cm) oval. Brush 1 side lightly with olive oil. Place dough, oiled sided down, onto grill directly over heat. Brush top of dough lightly with oil and cook until underside has browned and bubbles appear on top, about 1 to 2 minutes. Flip and cook until other side has lightly browned, about 1 minute. Move dough to cooler side of barbecue and top with ricotta mixture, grilled lemons, artichokes and about half the basil. Cover grill and cook pizza until toppings are warm, about 3 to 5 minutes.
5. Transfer pizza to a cutting board, garnish with remaining basil leaves and a sprinkle of red pepper chili flakes. Let stand for a few minutes before slicing. Serve while still warm.