Artichokes with Meyer Lemon Aioli

1/4 cup canola oil 

1/4 cup olive oil  

3 egg yolks 

1 Tbs. Dijon mustard 

3 garlic cloves 

1/2 tsp. salt 

1/4 tsp. freshly ground white pepper 

3 to 4 Tbs. fresh Meyer lemon juice  

2 lemons 

3 garlic cloves 

1 Tbs. salt, plus more, to taste 

4 black peppercorns 

15 to 20 small artichokes  

1/4 cup extra-virgin olive oil 

1 Tbs. dried oregano 

Freshly ground black pepper, to taste